Dịch vụ & Vấn đề Da liễu

Cosmeceuticals explained: how actives penetrate skin, retinoids, vitamin C, hydroxy acids and peptides, safe combining and side effects, from Haute-Derma.

Medical skin care basics: pH-balanced cleansing, barrier repair and broad-spectrum sun protection for acne, sensitive and aging skin at Haute-Derma.

How medical lasers and light therapies work: CO2, picosecond, Nd:YAG, IPL and LED, their uses, and Haute-Derma's safety protocol for darker skin types.

Laser skin resurfacing: how fractional lasers work, CO2 vs. Er:YAG, Er:Glass and Thulium, treating acne scars and wrinkles, and aftercare at Haute-Derma.

Nonablative lasers boost collagen to improve acne scars, pores and fine lines with no downtime. Learn about wavelengths, aftercare and risks at Haute-Derma

Noninvasive body contouring with cryolipolysis, RF, HIFU and HIFEM to reduce stubborn fat, firm skin and build muscle, with no downtime, at Haute-Derma.

Varicose and spider vein treatment at Haute-Derma: Doppler mapping, liquid and foam sclerotherapy, Nd:YAG laser, compression, and managing complications.

Telangiectasia (spider vein) treatment with PDL, Nd:YAG, KTP and IPL: how it works, number of sessions, aftercare and side effects at Haute-Derma.

Medical chemical peels explained: peel depths, BHA, AHA, TCA and Jessner agents, the treatment process, and managing side effects for acne and pigment at Haute-Derma.

Dermabrasion vs. microdermabrasion: how each works, which scars and skin concerns they suit, recovery time and how Haute-Derma keeps them safe.

Liposuction for stubborn fat on the belly, thighs and arms: tumescent technique, VASER vs. PAL vs. laser, recovery, and safety protocols at Haute-Derma.

Soft-tissue augmentation with HA, CaHA, PLLA fillers or fat to restore facial volume and soften deep lines, using safe injection techniques at Haute-Derma.

Botulinum toxin explained: how it works, product types, injection technique for wrinkles, jaw slimming and sweating, and managing side effects at Haute-Derma.

Hair transplantation explained: FUT, FUE and DHI techniques, donor dominance, the procedure, regrowth timeline and aftercare at Haute-Derma.

Noninvasive hair regrowth at Haute-Derma: trichoscopy, 650 nm laser, exosomes, growth factors and topicals to slow shedding and revive thinning hair.

Radiofrequency (RF) skin tightening: how it heats tissue to boost collagen, monopolar vs. microneedling RF, results and side effects at Haute-Derma.

Microneedling radiofrequency (MRF) at Haute-Derma: how it works, insulated vs non-insulated needles, acne scar and pore treatment, recovery and risks.

Fractional CO2 laser for acne scars, enlarged pores and wrinkles: how it works, treatment settings, aftercare and complication control at Haute-Derma.

Phương pháp trẻ hóa sinh học kết hợp công nghệ RF siêu vi điểm, Exosomes và tế bào gốc nhung hươu hiệu quả cao không xâm lấn.

Skin OCT is a painless, noninvasive virtual biopsy that maps scar depth, collagen and the basement membrane and screens for skin cancer at Haute-Derma.

Pico laser treats melasma, freckles, PIH and tattoos and rejuvenates skin with photoacoustic pulses. Wavelengths and protocols at Haute-Derma.

Intense pulsed light (IPL) explained: how filters target pigment, redness, acne and hair, how it compares with lasers, and treatment at Haute-Derma.

Dermoscopy reveals pigment and blood vessels beneath the skin surface, helping tell melasma from look-alikes and screen for skin cancer at Haute-Derma.

Principles of topical therapy: how drugs penetrate skin, choosing creams, ointments or gels, fingertip unit dosing and correct application at Haute-Derma.

How glucocorticoids work in dermatology: topical, intralesional and systemic use, side effects such as skin atrophy, and safe tapering at Haute-Derma.

Retinoids explained: how vitamin A derivatives work, tretinoin, adapalene, isotretinoin, purging vs irritation, side effects and safe use at Haute-Derma.

Topical and oral antibiotics in dermatology: how they work, use in acne, rosacea and skin infections, and Haute-Derma's antibiotic stewardship approach.

Một loại thuốc kháng khuẩn và kháng viêm đặc biệt, hiệu quả cao trong điều trị bệnh phong, viêm da dạng Herpes và các bệnh da có sự thâm nhiễm bạch cầu trung tính.

How antifungal medicines work, topical vs oral options for skin and nail fungus, drug interactions and liver monitoring, and treatment at Haute-Derma.

How H1 antihistamines work for hives and itch: first vs second generation, up-dosing for chronic urticaria, side effects and safe use, from Haute-Derma.

How cytotoxic drugs like methotrexate and azathioprine treat psoriasis and blistering diseases, their risks, and Haute-Derma's safety monitoring.

Antimetabolites in dermatology: how methotrexate, azathioprine, mycophenolate and 5-FU work, when they're used, side effects and monitoring at Haute-Derma.

Acyclovir, valacyclovir and famciclovir in dermatology: how they treat herpes and shingles, pre-laser prophylaxis, safety, and Haute-Derma's protocol.

Immunosuppressive and immunomodulatory drugs in dermatology: cyclosporine, MMF, dapsone, JAK inhibitors, biologics and Haute-Derma's safety monitoring.

Biologics in dermatology for psoriasis, eczema, hives and pemphigus: how IL-17, IL-23 and IL-4/13 blockers work, plus safety screening at Haute-Derma.

Targeted small-molecule drugs in dermatology: JAK, TYK2, PDE4, Hedgehog and BRAF/MEK inhibitors, their uses, safety and monitoring at Haute-Derma.

How antiangiogenic drugs like bevacizumab, timolol and thalidomide treat keloids, hemangiomas and skin tumors, with safety monitoring at Haute-Derma.

Bao gồm các hoạt chất đặc thù như thuốc ức chế calcineurin, tiêu sừng (Acid Salicylic), hắc ín (Coal tar) hoặc thuốc điều trị ký sinh trùng như Permethrin.

Photoprotection explained: how UVA, UVB, blue light and infrared harm skin, and how Haute-Derma tailors sunscreen for melasma and post-procedure skin.

Phototherapy with NB-UVB, PUVA and excimer light for psoriasis, vitiligo and eczema: how it works, what to expect and safety at Haute-Derma.

Learn how photodynamic therapy (PDT) treats severe acne, actinic keratoses and superficial skin cancers, and what a session involves at Haute-Derma.

PUVA photochemotherapy combines psoralen and UVA to treat severe psoriasis, mycosis fungoides and hand eczema. How it works and safety at Haute-Derma.

Radiotherapy in dermatology: superficial radiation and brachytherapy for skin cancer and keloid recurrence, plus side effects and safety at Haute-Derma.

Cutaneous surgical anatomy: relaxed skin tension lines, the SMAS, facial nerve danger zones and blood supply, and how Haute-Derma plans safe skin surgery.

Before and after skin surgery: blood thinners, preventive antibiotics, pacemakers, hematoma and flap complications, and wound care at Haute-Derma.

Excisional skin surgery removes skin cancers and growths with safe margins, then repairs the wound with layered closure, flaps or grafts at Haute-Derma.

Skin flap surgery rebuilds defects on the nose, eyelids and lips after skin cancer removal. Learn about flap types, the procedure and aftercare at Haute-Derma.

Skin grafts (FTSG, STSG, composite): when they are used, how grafts take, tie-over bolster dressings and managing complications at Haute-Derma.

Mohs micrographic surgery for basal and squamous cell carcinoma: complete margin control, high cure rates and maximum tissue sparing at Haute-Derma.

Nail surgery at Haute-Derma: phenol treatment for ingrown toenails, nail matrix biopsy, glomus tumor removal, digital blocks and aftercare explained.

Cryosurgery with liquid nitrogen for warts, keratoses, keloids and superficial skin cancers: how it works, techniques and healing at Haute-Derma.

Electrosurgery explained: electrodesiccation, fulguration, coagulation and cutting for skin tags, warts and syringomas, plus safety measures at Haute-Derma.

Viêm da cơ địa là một dạng viêm da mãn tính gây ngứa ngáy, đỏ sưng và khô ráp, thường liên quan đến yếu tố di truyền và hàng rào bảo vệ da yếu.

Nummular dermatitis is characterized by circular or oval lesions that resemble coins, causing intense itching and often appearing on the legs or arms following skin lesions.

Lichenification leaves skin thick, leathery and deeply lined after long-term scratching. Learn why it happens and how Haute-Derma treats it effectively.

The condition of thickened and infiltrated skin is caused by prolonged excessive scratching or rubbing, creating a "scratch-itch" cycle that makes the skin patches rough and accentuates skin creases.

Prurigo nodularis is a chronic skin condition characterized by the appearance of hard, raised, and extremely itchy nodules, usually due to a hypersensitivity reaction of the cutaneous nervous system after prolonged stimulation by vigorous scratching.

The body's delayed immune response when the skin comes into contact with specific allergens (such as cosmetics, nickel, perfumes) causes rashes, blisters, and itching in the affected area.

Dermatitis occurs when the skin's protective barrier is directly damaged by chemicals or physical agents (soap, detergents, solvents), causing burning, redness, and peeling immediately after contact.

This type of dermatitis is common in areas with many sebaceous glands, such as the scalp, face, and chest, and manifests as red patches with white or yellow oily scales, often associated with the Malassezia fungus.

Tổn thương da phát sinh hoặc trở nên trầm trọng hơn do môi trường làm việc, thường liên quan đến việc tiếp xúc thường xuyên với các chất gây hại, độ ẩm hoặc ma sát trong quá trình lao động.

Chronic dermatitis is characterized by thick, red patches covered with silvery-white, candle-like scales, due to excessive skin cell proliferation under the influence of the immune system.

This rare keratinization disorder manifests as red follicular papules, patches of bright red skin resembling "islands" of healthy skin interspersed, and causes hyperkeratosis of the palms and soles.

A less common skin disease group, characterized by thin, slightly scaly erythematous patches that progress slowly and are benign, but require regular monitoring to differentiate them from malignant skin conditions.

This scaly papular dermatitis can have an acute course with vesicles and hemorrhages (PLEVA) or a chronic course with persistent, flat, pinkish-brown papules.

Pityriasis rosea starts with a herald patch, then a Christmas-tree rash of scaly spots. Learn about causes, diagnosis and NB-UVB treatment at Haute-Derma.

Lichen planus causes flat, purple, itchy bumps on the skin, mouth, nails and scalp. Learn about its forms, diagnosis and treatment at Haute-Derma.

Lichen nitidus causes tiny 1–2 mm shiny, flat, skin-colored bumps. Learn about causes, dermoscopy, biopsy and gentle treatment options at Haute-Derma.

Lichen striatus: small pink or skin-colored bumps forming a line along Blaschko lines, mostly in children aged 5–15. Diagnosis and care at Haute-Derma.

Granuloma annulare: ring-shaped bumps on the hands, feet and limbs. Clinical types, how it differs from ringworm, and treatment options at Haute-Derma.

Bệnh lý tự miễn đa cơ quan có biểu hiện tại da là các sẩn, mảng hoặc nút màu đỏ nâu đặc trưng do sự hình thành các u hạt không hoại tử trong lớp trung bì.

Sweet syndrome causes sudden fever and tender red plaques. Learn how Haute-Derma diagnoses it, screens for underlying causes and treats flares fast.

Pyoderma gangrenosum causes painful, fast-spreading ulcers with violet edges. Learn about causes, diagnosis and expert treatment at Haute-Derma.

Pyoderma gangrenosum causes fast-spreading, painful ulcers with purple undermined edges. Learn how it is diagnosed and treated at Haute-Derma.

Inflammatory immune disorders such as CAPS, FMF, TRAPS, DITRA and Blau syndrome: recurrent fevers, rashes and joint pain, with expert care at Haute-Derma.

Cryopyrin-associated periodic syndromes (CAPS) cause recurrent fever and hive-like rashes. Learn about FCAS, MWS, NOMID and IL-1 therapy at Haute-Derma.

Schnitzler syndrome: chronic hives, IgM paraprotein, fever and bone pain – Strasbourg criteria diagnosis and IL-1 blocker treatment at Haute-Derma.

DIRA syndrome: a rare inherited autoinflammatory disease of newborns with pustular rash and bone inflammation. IL1RN testing and anakinra at Haute-Derma.

Hình thái vảy nến mủ toàn thân cấp tính tái phát do đột biến gen IL36RN, gây ra các đợt sốt cao và mụn mủ vô trùng trên nền da đỏ.

CARD14-mediated pustular psoriasis (PSORS2): inherited red plaques and pustular flares. Genetic diagnosis and biologic treatment at Haute-Derma.

Familial Mediterranean fever: recurring fever with abdominal, chest or joint pain. MEFV gene testing, colchicine and amyloidosis prevention at Haute-Derma.

Mevalonate kinase deficiency (MKD): recurrent fevers, rashes, mouth ulcers and swollen glands. HIDS vs. MA, diagnosis and IL-1 therapy at Haute-Derma.

TRAPS causes fever lasting weeks, deep muscle pain, migrating rashes and eye swelling. Learn about TNFRSF1A testing and biologic treatment at Haute-Derma.

Haploinsufficiency of A20 (HA20): an inherited autoinflammatory disease with Behçet-like mouth and genital ulcers. TNFAIP3 testing and care at Haute-Derma.

ORAS (otulipenia) is a rare genetic autoinflammatory disease causing fevers, pustular rashes and panniculitis. Diagnosis and anti-TNF care at Haute-Derma.

CANDLE syndrome: a rare autoinflammatory disease with recurrent fever, annular rashes and fat loss. Genetic diagnosis and JAK inhibitor care at Haute-Derma.

Blau syndrome (early-onset sarcoidosis): NOD2-related skin granulomas, arthritis and uveitis, plus genetic diagnosis and biologic therapy at Haute-Derma.

PAPA syndrome: sterile pus-filled arthritis, pyoderma gangrenosum and severe acne from PSTPIP1 mutations. Diagnosis and biologic treatment at Haute-Derma.

Majeed syndrome: a rare inherited autoinflammatory disorder with recurrent bone inflammation, anemia and skin lesions. Diagnosis and care at Haute-Derma.

SAPHO syndrome links severe acne and palm-sole pustules with bone and joint inflammation. Learn how Haute-Derma diagnoses and treats it.

Eosinophilic skin disorders such as Wells syndrome and Kimura disease: how eosinophils damage skin, how they are diagnosed and treated at Haute-Derma.

Wells syndrome (eosinophilic cellulitis) mimics bacterial cellulitis. Learn its signs, biopsy diagnosis and anti-inflammatory treatment at Haute-Derma.

Epithelioid hemangioma: benign red-purple nodules on the head, face or ears, sometimes itchy. Diagnosis and laser or surgical care at Haute-Derma.

Kimura disease causes painless lumps around the head and neck with high eosinophils and IgE. Learn how Haute-Derma diagnoses, treats and monitors it.

Ofuji disease (eosinophilic pustular folliculitis): very itchy sterile pustules in rings on the face and trunk. Diagnosis and treatment at Haute-Derma.

Tổn thương viêm mạch lành tính mạn tính ở da với thâm nhiễm hỗn hợp nhiều bạch cầu ái toan. Biểu hiện bằng các mảng hoặc nốt màu đỏ nâu đến tím, bề mặt trơn nhẵn nổi rõ lỗ nang tóc (dạng vỏ cam), tập trung chủ yếu ở mặt và tồn tại dai dẳng.

Eosinophilic fasciitis (Shulman syndrome) causes rapid hardening of arm and leg skin. How Haute-Derma confirms it and treats it to protect joint mobility.

Hội chứng toàn thân hiếm gặp đặc trưng bởi sự bùng phát bạch cầu ái toan ngoại vi mức độ cao. Bệnh biểu hiện bằng tình trạng đau cơ dữ dội toàn thân, kết hợp với các tổn thương da tiến triển từ phát ban đỏ đến xơ cứng da dạng xơ cứng bì.

Urticaria causes itchy welts and angioedema causes swelling of the lips, eyes or tongue. Learn the causes, diagnosis and treatment options at Haute-Derma.

Mastocytosis: red-brown spots that swell when rubbed (Darier sign), flushing and anaphylaxis risk. Tryptase and KIT testing and treatment at Haute-Derma.

Erythema multiforme: target-shaped skin lesions, the herpes link, EM minor vs. major with mouth and eye sores, and how Haute-Derma treats it.

SJS/TEN is a life-threatening drug reaction that makes skin and mucous membranes blister and peel. Early signs, diagnosis and urgent care at Haute-Derma.

Figurate erythemas: spreading ring-shaped red rashes, what causes them, how they differ from ringworm, cause-finding tests, and care at Haute-Derma.

Bệnh da phản ứng mạn tính, đặc trưng bởi các sẩn hoặc mảng hồng ban lan rộng dần ra ngoại vi (ly tâm) tạo thành hình nhẫn, hình vòng, kèm theo dải vảy mịn bong ở bờ bên trong của thương tổn.

Erythema migrans is the expanding bull's-eye rash of early Lyme disease after a tick bite. Learn how Haute-Derma diagnoses and treats it with antibiotics.

Erythema marginatum is a painless ring-shaped rash on the trunk that can signal acute rheumatic fever. Learn about diagnosis and treatment at Haute-Derma.

Erythema gyratum repens: fast-moving, wood-grain red rings that often signal hidden cancer. Learn diagnosis, cancer screening and care at Haute-Derma.

Adverse drug reactions in the skin: how they are classified, common drug rashes, warning signs, diagnostic testing and how Haute-Derma manages them.

Exanthematous (morbilliform) drug eruption: the red, spreading rash after a new medicine, warning signs of DRESS or SJS/TEN, and care at Haute-Derma.

Drug-induced itching and hives: red welts, intense itch and the risk of angioedema or anaphylaxis. Causes, diagnosis and treatment at Haute-Derma.

Phản ứng bùng phát mụn mủ cấp tính (AGEP) hoặc tổn thương dạng trứng cá do corticosteroid, lithium, thuốc ức chế EGFR. Biểu hiện bằng hàng loạt vi mụn mủ vô khuẩn trên nền da đỏ, hoặc các sẩn mụn mủ đồng đều không có nhân đầu đen ở mặt và lưng.

Tổn thương da nghiêm trọng gồm Stevens-Johnson (SJS), TEN hoặc Pemphigoid do thuốc. Biểu hiện bằng các bọng nước căng hoặc hoại tử thượng bì diện rộng, bóc tách da (Nikolsky dương tính) và trợt loét niêm mạc đa cơ quan.

Phản ứng dị ứng tái phát tại đúng một vị trí cố định mỗi khi tái sử dụng thuốc nguyên nhân (cotrimoxazole, tetracycline, NSAIDs). Biểu hiện bằng mảng ban đỏ hình tròn/bầu dục có bọng nước trung tâm, khi lành để lại vết tăng sắc tố xẫm màu kéo dài.

Drug-induced hyperpigmentation explained: causes such as minocycline and amiodarone, color patterns, diagnosis and laser treatment at Haute-Derma.

Drug-induced lichenoid eruption: itchy, flat purple bumps triggered by medications such as blood pressure drugs. Diagnosis and treatment at Haute-Derma.

Drug-induced pseudolymphoma causes firm red-purple skin nodules that mimic lymphoma but are benign. Trigger drugs, biopsy and treatment at Haute-Derma.

Drug-induced lupus erythematosus: common culprit drugs, skin and systemic forms, antihistone antibody testing and safe treatment at Haute-Derma.

Tình trạng viêm mạch máu nhỏ ở da thứ phát do lắng đọng phức hợp miễn dịch (sulfonamides, allopurinol). Bệnh biểu hiện bằng ban xuất huyết gờ cao (palpable purpura) không mất màu khi ấn, tập trung chủ yếu ở hai chi dưới.

Warfarin- and heparin-induced skin necrosis: early burning pain, blood blisters, black eschar, who is at risk, and urgent care at Haute-Derma.

Tổn thương nhiễm độc trực tiếp tuyến mồ hôi do thuốc hóa trị liệu ung thư. Biểu hiện bằng các sẩn, mảng đỏ sưng đau bùng phát kèm sốt, tập trung ở thân mình, mặt và các chi.

Ichthyosis explained: causes, common types, dry scaly skin symptoms, diagnosis and how Haute-Derma restores the skin barrier with tailored treatment.

Nhóm bệnh lý di truyền hiếm gặp, đặc trưng bởi sự dày lên bất thường và lan rộng của lớp sừng ở lòng bàn tay và lòng bàn chân, có thể khu trú, lan tỏa hoặc kèm theo các tổn thương cơ quan khác.

Tình trạng lành tính rất phổ biến do sự tích tụ keratin làm tắc nghẽn lỗ chân lông, biểu hiện bằng các sẩn nhỏ, thô ráp như "da gà", thường xuất hiện ở mặt ngoài hai tay, đùi và mông.

Nhóm các bệnh lý da đặc trưng bởi hiện tượng "ly gai" – sự mất kết dính giữa các tế bào gai trong lớp thượng bì, dẫn đến hình thành các bọng nước hoặc sẩn sừng nông.

Rối loạn sừng hóa di truyền do đột biến gen ATP2A2 gây suy giảm liên kết thượng bì. Bệnh đặc trưng bởi các sẩn sừng màu nâu vàng thô ráp ở vùng tiết bã (ngực, lưng) dễ có mùi hôi, kèm tổn thương móng dạng sọc dọc đỏ/trắng và khuyết chữ V ở bờ tự do.

Rối loạn sừng hóa di truyền liên quan đến gen ATP2A2, được xem là thể lâm sàng nhẹ của bệnh Darier. Bệnh biểu hiện bằng các sẩn dẹt cứng, bề mặt thô ráp giống mụn cóc, phân bố đối xứng ở mu bàn tay, bàn chân và các ngón.

Hailey-Hailey disease (benign familial pemphigus): blisters and painful erosions in skin folds, biopsy diagnosis, and treatment with Botox or CO2 laser at Haute-Derma.

Tổn thương tiêu gai thượng bì mắc phải, thường bùng phát do nhiệt độ cao, mồ hôi hoặc da quá khô. Bệnh biểu hiện bằng các sẩn đỏ nhỏ hoặc mụn nước gây ngứa dữ dội tập trung ở ngực và lưng, hay gặp ở nam giới trung niên/cao tuổi.

Bệnh lý rối loạn sừng hóa có tính chất di truyền hoặc mắc phải, đặc trưng bởi một hoặc nhiều mảng tăng sừng lan rộng ly tâm, được giới hạn rõ rệt bởi một bờ viền nhô cao gọi là "gờ lamella" (cornoid lamella).

Pemphigus vulgaris is an autoimmune disease causing fragile blisters and painful erosions of skin and mouth. Learn diagnosis and treatment at Haute-Derma.

Dạng bệnh bọng nước nặng nhất liên quan đến các khối u ác tính trong cơ thể, biểu hiện bằng tình trạng loét niêm mạc miệng dữ dội và tổn thương da đa dạng, khó điều trị.

Bệnh da tự miễn thường gặp ở người cao tuổi, đặc trưng bởi các bọng nước căng, lớn, khó vỡ trên nền da đỏ hoặc bình thường, kèm theo tình trạng ngứa ngáy dữ dội.

Nhóm bệnh bọng nước tự miễn chủ yếu tấn công các vùng niêm mạc như mắt, miệng, và sinh dục, thường để lại sẹo gây co rút hoặc ảnh hưởng đến chức năng các cơ quan.

Bệnh tự miễn mạn tính hiếm gặp, khiến da trở nên cực kỳ mong manh và dễ nổi bọng nước sau các va chạm nhẹ, thường để lại sẹo và các hạt milia (mụn nang nhỏ).

Một dạng bệnh bọng nước hiếm gặp do kháng thể IgA gây ra, biểu hiện bằng các mụn mủ xếp thành vòng hoặc dải, thường gây cảm giác ngứa hoặc châm chích nhẹ.

Bệnh đặc trưng bởi các mụn nước, bọng nước xếp thành hình chuỗi hạt hoặc hình vòng, do sự lắng đọng kháng thể IgA dạng dải tại vùng màng đáy của da.

Bệnh da liên quan đến tình trạng nhạy cảm với gluten, gây ra các sẩn ngứa và mụn nước nhỏ mọc tập trung thành cụm giống như thủy đậu ở khuỷu tay, đầu gối và mông.

Inherited epidermolysis bullosa (EB) makes skin blister at the lightest touch. Learn about EB types, genetic testing, and wound care at Haute-Derma.

Bệnh tự miễn đa hệ thống với biểu hiện da điển hình là ban đỏ hình cánh bướm ở mặt, nhạy cảm ánh sáng và các tổn thương dạng đĩa có thể gây sẹo hoặc mất sắc tố.

Dermatomyositis explained: Gottron papules, heliotrope rash, proximal muscle weakness, cancer screening and lung risks, plus treatment at Haute-Derma.

Systemic sclerosis: skin thickening, Raynaud phenomenon, digital ulcers, lung and kidney disease. Antibody tests, capillaroscopy and care at Haute-Derma.

Morphea (localized scleroderma): hardened skin patches with a lilac border, linear and en coup de sabre forms, and early treatment at Haute-Derma.

Lichen sclerosus: a chronic inflammatory condition causing white, thin, itchy genital skin. Diagnosis, treatment and cancer surveillance at Haute-Derma.

Psoriatic arthritis causes joint pain, sausage fingers, heel pain and nail changes. See how Haute-Derma diagnoses it early and treats it with biologics.

Tình trạng viêm khớp xảy ra sau một đợt nhiễm trùng đường tiêu hóa hoặc tiết niệu, thường biểu hiện bằng bộ ba: viêm khớp, viêm kết mạc và viêm niệu đạo.

Rheumatoid arthritis: symmetric joint swelling, morning stiffness, skin nodules, anti-CCP testing and DMARD or biologic treatment at Haute-Derma.

Nhóm bệnh viêm khớp mạn tính khởi phát ở trẻ dưới 16 tuổi, gây đau, sưng khớp kéo dài và có thể ảnh hưởng đến sự phát triển thể chất hoặc thị lực của trẻ.

Adult-onset Still's disease: spiking fevers, salmon-pink rash, joint pain, very high ferritin, Yamaguchi criteria and biologic treatment at Haute-Derma.

Acute rheumatic fever after strep throat: migrating arthritis, carditis, chorea, Jones criteria diagnosis, treatment and long-term prevention at Haute-Derma.

Scleredema of Buschke: woody thickening of the neck, shoulders and back, its 3 types, diabetes link, biopsy diagnosis and treatment at Haute-Derma.

Scleromyxedema causes dense waxy papules, thickened skin and a leonine face, linked to MGUS. Diagnosis, systemic screening and IVIG care at Haute-Derma.

Sjögren syndrome is an autoimmune disease causing dry eyes, dry mouth, dry skin and systemic problems. Learn how Haute-Derma diagnoses and treats it.

Relapsing polychondritis inflames ear and nose cartilage, eyes and airways. Learn the signs, McAdam criteria and immune-based treatment at Haute-Derma.

Nhóm bệnh lý gây mất mô đàn hồi ở lớp trung bì, biểu hiện bằng các vùng da lõm, mềm hoặc nhô lên như túi nhỏ, khiến bề mặt da trở nên mỏng manh và mất đi độ săn chắc tự nhiên.

Một rối loạn hiếm gặp, đặc trưng bởi sự mất đi hoàn toàn màng lưới sợi đàn hồi ở lớp trung bì nông và trung bì giữa. Biểu hiện bằng các nốt dát hoặc sẩn nhỏ (kích thước 5–20 mm), màu da hoặc trắng xanh, chủ yếu khu trú ở thân mình, vai và các gốc chi.

Các vạch màu đỏ, tím hoặc trắng bạc hình thành do sợi collagen và elastin bị đứt gãy khi da giãn quá nhanh, thường xuất hiện ở vùng bụng, đùi hoặc ngực do tăng cân, dậy thì hoặc thai kỳ.

Follicular atrophoderma causes tiny ice-pick pits on the hands and face and can signal Bazex syndrome. Learn diagnosis and treatment at Haute-Derma.

Atrophoderma of Pasini and Pierini: soft, sunken gray-brown patches with a cliff-drop edge. How Haute-Derma tells it from morphea and restores the skin.

Acquired perforating dermatosis: itchy, crusted papules in kidney disease and diabetes, biopsy diagnosis, and treatment with NB-UVB and retinoids at Haute-Derma.

Ehlers-Danlos, Marfan, PXE, cutis laxa and other inherited connective tissue disorders: skin signs, risks and specialist skin care at Haute-Derma.

Classical Ehlers-Danlos syndrome (cEDS): stretchy, fragile skin, easy bruising, thin scars and loose joints. Diagnosis and skin care at Haute-Derma.

Vascular Ehlers-Danlos syndrome (vEDS): thin, see-through skin, easy bruising and arterial rupture risk; COL3A1 testing and safe care at Haute-Derma.

Marfan syndrome and the skin: early stretch marks, joint laxity, revised Ghent screening, and safe stretch mark treatment at Haute-Derma.

Pseudoxanthoma elasticum (PXE) causes yellow plucked-chicken-skin papules, lax skin and eye and artery problems. Diagnosis and care at Haute-Derma.

Bệnh hiếm gặp khiến da mất đi hoàn toàn độ đàn hồi, trở nên lỏng lẻo, chảy xệ và tạo thành các nếp gấp lớn, khiến người bệnh trông già hơn rất nhiều so với tuổi thật.

Buschke-Ollendorff syndrome: skin connective tissue papules with osteopoikilosis, LEMD3 genetics, diagnosis and laser or surgical care at Haute-Derma.

Lipoid proteinosis (Urbach-Wiethe disease): early hoarseness, waxy papules on the face and eyelids, diagnosis and laser treatment at Haute-Derma.

Panniculitis: tender red nodules in the fat beneath the skin. Learn about septal vs. lobular types, deep biopsy diagnosis and treatment at Haute-Derma.

Tình trạng mất hoặc tích tụ mô mỡ bất thường tại các vùng cụ thể trên cơ thể, dẫn đến sự thay đổi diện mạo rõ rệt và thường liên quan đến các rối loạn chuyển hóa nghiêm trọng.

Oculocutaneous albinism: lack of melanin in skin, hair and eyes, high skin cancer risk, and how Haute-Derma screens and protects the skin long term.

Genetic pigmentation disorders such as piebaldism, Waardenburg syndrome, incontinentia pigmenti and NF1 café-au-lait spots: diagnosis and care at Haute-Derma.

Hermansky-Pudlak syndrome: albinism, easy bleeding and lung fibrosis risk. How Haute-Derma screens patients and plans safe, non-invasive skin care.

Rối loạn di truyền hiếm gặp do bất thường vận chuyển lysosome, biểu hiện giảm sắc tố một phần, nhiễm trùng tái diễn và rối loạn miễn dịch.

Incontinentia pigmenti: an IKBKG gene disorder with four stages of skin changes along Blaschko lines plus tooth and eye problems. Care at Haute-Derma.

Piebaldism is an inherited condition causing white skin patches and a white forelock from birth. Diagnosis and melanocyte grafting at Haute-Derma.

Waardenburg syndrome: a genetic condition with white skin patches, a white forelock, blue or two-colored eyes and hearing loss. Care at Haute-Derma.

Tietz syndrome: whole-body loss of skin and hair pigment with congenital deafness due to MITF mutations. Diagnosis and skin protection at Haute-Derma.

Dyschromatosis symmetrica hereditaria (DSH): mixed dark and light spots on the hands and feet from ADAR mutations. Diagnosis and laser care at Haute-Derma.

Dyschromatosis universalis hereditaria (DUH) causes mottled light and dark spots across the body. Genetics, diagnosis and laser care at Haute-Derma.

Reticulate acropigmentation of Kitamura: freckle-like brown net on the backs of hands and feet with palmar pits. Diagnosis and laser care at Haute-Derma.

Dowling–Degos disease: net-like brown pigment in the armpits and groin, comedo-like bumps and pitted scars. Diagnosis and laser care at Haute-Derma.

Vitiligo explained: why white patches form, active vs. stable disease, JAK inhibitor creams, excimer light and cell grafting options at Haute-Derma.

Hypermelanosis explained: why skin darkens, how epidermal and dermal pigment differ, related conditions, and multi-target treatment at Haute-Derma.

LWNH causes brown streaks and swirls along Blaschko's lines from infancy. See how Haute-Derma diagnoses it and fades it safely with picosecond laser.

Dyskeratosis congenita causes net-like pigmentation, nail dystrophy, oral leukoplakia and marrow failure. Learn about telomere testing and care at Haute-Derma.

Naegeli-Franceschetti-Jadassohn syndrome: net-like pigmentation, poor sweating, enamel defects, KRT14 testing and skin care at Haute-Derma.

Haber syndrome causes rosacea-like facial redness from childhood, follicular papules and net-like pigmentation. See diagnosis and treatment at Haute-Derma.

Nevus of Ota: blue-gray birthmark around the eye and cheek. Causes, Tanino classification, eye screening and picosecond laser treatment at Haute-Derma.

Nevus of Ito is a blue-gray birthmark on the shoulder, neck and upper chest. Learn its causes, diagnosis and picosecond laser treatment at Haute-Derma.

Mongolian spots: benign blue-gray birthmarks on a baby's lower back, how to tell them from bruises, and picosecond laser for lasting spots at Haute-Derma.

Multiple café-au-lait spots in families: how NF1, Legius and McCune-Albright differ, genetic testing, and picosecond laser fading at Haute-Derma.

Addison disease: bronze skin darkening and dark patches inside the mouth from adrenal failure. Hormone testing and pigment care at Haute-Derma.

Cushing syndrome skin signs: thin, easily bruised skin, wide purple stretch marks, moon face, steroid acne. Cortisol testing and care at Haute-Derma.

Nelson syndrome causes diffuse skin and mucosal darkening after adrenal removal. Learn the ACTH link, diagnosis, and Haute-Derma's team approach.

Pheochromocytoma causes surges of high blood pressure, headache, sweating and pallor or flushing. Learn the skin clues to linked syndromes at Haute-Derma.

Carcinoid syndrome and the skin: facial flushing, telangiectasia and pellagra-like rash, 5-HIAA testing, and coordinated care at Haute-Derma.

Hyperthyroidism and the skin: pretibial myxedema, Plummer's nails, hair shedding and sweating. Thyroid screening and skin care at Haute-Derma.

Maturational dyschromia causes hazy gray-brown darkening on the temples, outer cheeks and jawline. See how Haute-Derma treats it with picosecond laser.

Actinic keratoses: rough, scaly sun spots that can turn into skin cancer. Learn the signs, diagnosis and field treatments like 5-FU and PDT at Haute-Derma.

Radiation keratosis: rough, scaly spots on previously irradiated skin with a higher risk of squamous cell carcinoma. Diagnosis and care at Haute-Derma.

Thermal keratosis: rough, scaly precancerous patches on heat-mottled skin from heating pads or laptops. Diagnosis, cancer risk and care at Haute-Derma.

Tình trạng da bị sạm đen, xỉn màu do sự cọ xát hoặc chà xát liên tục. Lớp biểu bì bị kích thích, dẫn đến tăng sinh melanin (hắc tố).

Exogenous ochronosis: blue-gray, caviar-like darkening caused by long-term hydroquinone use, how it differs from melasma, and treatment at Haute-Derma.

Pigmentary demarcation lines (Futcher/Voigt lines): benign symmetric color borders on arms, legs and face, types A–H, diagnosis and toning at Haute-Derma.

Acquired idiopathic facial pigmentation (AIFP): gray-brown facial patches with no clear cause. How it differs from melasma and how Haute-Derma treats it.

Mucosal hyperpigmentation: dark spots on the lips, gums and cheeks. When to suspect Addison, Peutz-Jeghers or melanoma, and laser treatment at Haute-Derma.

Benign melanonychia: brown or black stripes along the nail, their causes, onychoscopy, how they differ from melanoma and when to biopsy at Haute-Derma.

Dark circles under the eyes: pigmentary, vascular, structural or mixed. How Haute-Derma classifies them and treats with laser, peels and filler.

Dark spots on the palms and soles: how dermoscopy separates benign acral macules from acral melanoma, plus picosecond laser treatment at Haute-Derma.

Freckles are small brown spots driven by MC1R genes and sun exposure. Learn how Haute-Derma tells them from melasma and clears them with picosecond laser.

Prurigo pigmentosa (keto rash): itchy red bumps on the chest and back leaving net-like dark patches. Causes, diagnosis and treatment at Haute-Derma.

Nevus of Hori (ABNOM) causes symmetric gray-brown cheek spots. Learn its causes, how it differs from melasma, and picosecond laser care at Haute-Derma.

Becker nevus: a brown, often hairy patch on the shoulder, chest or back that appears around puberty. Causes, diagnosis and laser care at Haute-Derma.

Café-au-lait macules: how to recognize these light-brown patches, when multiple spots suggest NF1, and picosecond laser treatment at Haute-Derma.

Acromelanosis progressiva causes dark patches on the backs of fingers and toes from early childhood. Learn about diagnosis and safe care at Haute-Derma.

Darkening of skin that occurs after inflammation or injury (like acne, eczema, or cuts). It happens when healing skin produces excess melanin.

Melasma: symmetric brown patches on the face, why they form, epidermal vs dermal types, and Haute-Derma's layered treatment with TA, lasers and peels.

Partial unilateral lentiginosis: clustered brown spots on one side of the body, the link to segmental NF1, and picosecond laser treatment at Haute-Derma.

Erythema ab igne (toasted skin syndrome): net-like red-brown marks from laptops or heating pads. Causes, diagnosis and laser treatment at Haute-Derma.

Riehl melanosis causes gray-brown facial and neck pigmentation from cosmetic contact allergy. How Haute-Derma diagnoses it and treats it safely.

Cronkhite-Canada syndrome links gut polyps with skin darkening, hair loss and nail changes. How Haute-Derma screens for it and restores hair and nails.

Erythrose péribuccale of Brocq causes red-brown patches around the mouth and chin. Causes, diagnosis and BBL/picosecond laser care at Haute-Derma.

Erythema dyschromicum perstans (ashy dermatosis): slate-gray patches on the trunk, neck and arms—causes, diagnosis and treatment at Haute-Derma.

Lichen planus pigmentosus: gray-black patches on the face, neck, and folds; how it differs from melasma and Riehl melanosis; treatment at Haute-Derma.

Beyond common acne: neonatal, conglobata, fulminans, excoriée and steroid acne, plus related syndromes and how they are treated at Haute-Derma.

Neonatal acne and neonatal cephalic pustulosis: causes, warning signs that need a doctor, and safe skin care for your baby at Haute-Derma.

Infantile acne hits babies aged 3–12 months with blackheads, pustules and scar risk. Causes, hormone checks and safe treatment at Haute-Derma.

Mid-childhood acne in children aged 1–7 points to excess androgens. Learn about hormone testing, bone-age X-rays and gentle treatment at Haute-Derma.

Acne conglobata: deep nodules, abscesses and draining sinus tracts that can leave disfiguring scars. Assessment, isotretinoin and surgery at Haute-Derma.

Acne fulminans: sudden ulcerating, crusted nodules with fever and joint pain. Learn the causes, workup and how Haute-Derma treats this severe acne flare.

Một dạng bùng phát mụn trứng cá nghiêm trọng, hiếm gặp nhưng rất nguy hiểm. Tình trạng này xảy ra như một phản ứng dị ứng hoặc phản ứng viêm cấp tính khi người bệnh bắt đầu điều trị mụn bằng thuốc uống Isotretinoin (dẫn xuất của Vitamin A).

Acne excoriée: compulsive picking that leaves scratches, crusts, dark marks and scars. Diagnosis, skin repair and habit support at Haute-Derma.

Acne mechanica: breakouts where helmets, masks, straps or tight gear rub the skin. Causes, prevention tips and gentle treatment at Haute-Derma.

Morbihan disease (acne with solid facial edema): firm swelling of the forehead, eyelids and cheeks, its causes, diagnosis, and combined treatment at Haute-Derma.

PCOS and your skin: hormonal acne, hirsutism, hair loss and acanthosis nigricans. Learn the causes, diagnosis and treatment options at Haute-Derma.

Congenital adrenal hyperplasia (NCCAH): severe acne, hirsutism and hair loss that mimic PCOS. 17-OHP testing and targeted treatment at Haute-Derma.

Acne vulgaris explained: causes, the role of C. acnes, red vs. brown post-acne marks, low-dose isotretinoin and personalized treatment at Haute-Derma.

Rosacea: facial flushing, burning, visible vessels and bumps. Learn the causes, how it differs from acne, and laser, IPL and topical care at Haute-Derma.

Acneiform eruptions: drug, yeast, Demodex and chemical triggers, how they differ from ordinary acne, and how they are diagnosed and treated at Haute-Derma.

Steroid folliculitis causes uniform red bumps and pustules on the chest, back and shoulders without blackheads. Causes, diagnosis and care at Haute-Derma.

EGFR inhibitor rash: acne-like papules and pustules without comedones, how severity is graded, and how Haute-Derma treats it without pausing cancer care.

Occupational acne and chloracne: how industrial oils and dioxins cause comedones and pustules, where they appear, and treatment at Haute-Derma.

Gram-negative folliculitis: sudden pustules around the nose and mouth after long-term acne antibiotics. Culture-guided diagnosis and treatment at Haute-Derma.

Radiation acne: comedones and pustules confined to skin treated with radiotherapy. Learn its causes, diagnosis and gentle treatment at Haute-Derma.

Tropical acne causes painful pustules and deep nodules on the back, chest and shoulders in hot, humid climates. Causes and treatment at Haute-Derma.

Acne aestivalis (Mallorca acne) causes itchy, uniform red bumps on the shoulders and chest after sun exposure. Learn causes and care at Haute-Derma.

Pseudoacne of the nasal crease: tiny bumps and keratin cysts in a line across the nose, caused by allergic nose rubbing. Diagnosis and care at Haute-Derma.

Apert syndrome and the skin: how FGFR2 mutations cause severe, widespread, treatment-resistant acne, and how Haute-Derma manages it with isotretinoin.

Perioral dermatitis: small red bumps and pustules around the mouth, nose and eyes, often linked to steroid creams. Diagnosis and treatment at Haute-Derma.

Excessive sweating of the hands, feet or underarms: causes, diagnosis, and treatment with iontophoresis, aluminum chloride and Botox at Haute-Derma.

Anhidrosis (inability to sweat): dry hot skin, heat intolerance, nerve, drug and skin causes, heatstroke risk, and diagnosis and care at Haute-Derma.

Bromhidrosis (body and underarm odor): how sweat glands, bacteria and the ABCC11 gene cause it, and how Haute-Derma treats it with Botox, microwave, laser.

Chromhidrosis causes yellow, green, blue or black sweat that stains clothing. Learn the apocrine, eccrine and pseudo types and treatment at Haute-Derma.

Fox-Fordyce disease causes small, intensely itchy bumps in the armpits, groin and areolae. Causes, diagnosis and treatment options at Haute-Derma.

Hidradenitis suppurativa causes painful nodules, abscesses and draining tunnels in skin folds. Learn about Hurley staging and HS treatment at Haute-Derma.

Androgenetic alopecia: receding hairline, crown thinning and a widening part in men and women. Trichoscopy, minoxidil and PRP at Haute-Derma.

Telogen effluvium: sudden diffuse shedding after fever, childbirth, stress or low iron. Learn the causes, diagnosis and treatment at Haute-Derma.

Alopecia areata is an autoimmune condition causing round bald patches. Learn its signs, subtypes and treatments, including JAK inhibitors, at Haute-Derma.

Scarring hair loss (cicatricial alopecia): how inflammation destroys hair follicles, warning signs, scalp biopsy, and treatment at Haute-Derma.

Discoid lupus of the scalp: red scaly plaques, carpet tack sign, scarring hair loss. Biopsy, immunofluorescence and hydroxychloroquine at Haute-Derma.

Lichen planopilaris (LPP): scarring hair loss with scalp burning and perifollicular scale. How Haute-Derma diagnoses it and protects remaining hair.

Frontal fibrosing alopecia (FFA): a receding hairline, eyebrow loss and scarring. Causes, trichoscopy signs and hair-preserving treatment at Haute-Derma.

Pseudopelade of Brocq: rare scarring alopecia with small ivory bald patches like footprints in the snow. Diagnosis and treatment at Haute-Derma.

Central centrifugal cicatricial alopecia (CCCA): scarring hair loss spreading from the crown. Causes, trichoscopy, biopsy and treatment at Haute-Derma.

Alopecia mucinosa causes red, boggy plaques with follicular bumps and hair loss. Learn about biopsy, lymphoma screening and treatment at Haute-Derma.

KFSD is a rare inherited disorder causing spiny follicular bumps, scarring hair loss and light sensitivity. Learn about diagnosis and care at Haute-Derma.

Folliculitis decalvans: scalp pustules, crusts, tufted hairs and scarring hair loss. Learn how it is diagnosed and treated with antibiotics at Haute-Derma.

Dissecting cellulitis of the scalp: deep painful nodules, draining tunnels and scarring hair loss, plus trichoscopy signs and workup at Haute-Derma.

Acne keloidalis nuchae causes bumps, pustules and keloid-like scars on the nape. Learn its causes and how Haute-Derma treats it, including laser.

Acne necrotica varioliformis: itchy necrotic papules, dark crusts and pitted hairline scars. Causes, trichoscopy and scar-sparing care at Haute-Derma.

Erosive pustular dermatosis causes sterile pustules, erosions and thick crusts on sun-damaged scalps. See how Haute-Derma diagnoses and treats it.

Hair shaft disorders make hair break, tangle or stop growing long, from genetics or chemical and heat damage. Types, trichoscopy and care at Haute-Derma.

Trichorrhexis nodosa: tiny white nodes along the hair shaft that make hair snap, often from bleaching, straightening or heat. Diagnosis and care at Haute-Derma.

Trichoschisis causes brittle hair that snaps with clean, flat breaks and often signals trichothiodystrophy. Learn diagnosis and hair care at Haute-Derma.

Trichothiodystrophy (TTD): brittle, sulfur-deficient hair with skin, growth and sun-sensitivity problems. Diagnosis, genetics and care at Haute-Derma.

Pili torti makes hair shafts flat, twisted, glittery and brittle. Learn the causes, linked genetic syndromes and how Haute-Derma manages the condition.

Bamboo hair (trichorrhexis invaginata): sparse, brittle hair with ball-in-cup nodes, a key clue to Netherton syndrome. Diagnosis and care at Haute-Derma.

Monilethrix is a rare inherited hair disorder with beaded, brittle hair and follicular bumps on the nape. Diagnosis, genetics and hair care at Haute-Derma.

Uncombable hair syndrome: why children develop frizzy, light, unmanageable hair, how trichoscopy confirms it, and gentle hair care advice from Haute-Derma.

Marie Unna hereditary hypotrichosis causes sparse hair at birth, wiry childhood hair and balding after puberty. Learn the causes and care at Haute-Derma.

Woolly hair syndrome: tightly curled, brittle hair from birth that may signal Naxos or Carvajal heart disease. Learn about screening and hair care at Haute-Derma.

Hereditary hypotrichosis simplex (HHS): the genes involved, childhood-onset hair thinning, trichoscopy clues, look-alikes and care options at Haute-Derma.

Loose anagen syndrome: thin hair in children that pulls out easily and painlessly. How it is diagnosed with a pull test and root microscopy at Haute-Derma.

Pili annulati causes alternating light and dark bands along the hair shaft. Learn the causes, trichoscopy findings and hair care advice at Haute-Derma.

Hirsutism vs. hypertrichosis: why excess hair grows, the Ferriman-Gallwey score, hormone tests, and combined medical and laser treatment at Haute-Derma.

Tập hợp các biến đổi về hình dạng, màu sắc và cấu trúc móng (như móng hình dùi trống, móng sọc) phản ánh tình trạng sức khỏe tổng quát hoặc các tổn thương trực tiếp tại bộ máy móng.

Anonychia, nail hypoplasia and double fifth-toe nails: causes, signs, diagnosis, accessory nail removal and cosmetic nail restoration at Haute-Derma.

Chromonychia (nail discoloration): what black, green, red, yellow or blue nails can mean, how they are diagnosed, and treatment options at Haute-Derma.

Subungual hematoma: throbbing pain and a dark nail after injury. How to tell it from nail melanoma, and drainage or nail bed repair at Haute-Derma.

Splinter hemorrhages: thin red-brown lines under the nail from minor trauma or systemic disease. Warning signs and expert care at Haute-Derma.

Onycholysis is the nail lifting off its bed. Learn the causes, from trauma and fungus to psoriasis and thyroid disease, and how Haute-Derma treats it.

Subungual hyperkeratosis: thick, crumbly debris under the nail from fungus, psoriasis or eczema. How Haute-Derma finds the cause and clears the buildup.

Onychogryphosis (ram's horn nail): causes and stages of thick, twisted toenails, telling it apart from fungus, and treatment options at Haute-Derma.

Nail pterygium: dorsal vs. ventral forms, causes such as lichen planus and scleroderma, early warning signs, diagnosis and treatment at Haute-Derma.

Beau's lines and onychomadesis: nail grooves and shedding after fever, hand-foot-mouth disease or chemo, dating the cause and recovery care at Haute-Derma.

Nail pitting and trachyonychia linked to psoriasis, alopecia areata and lichen planus: diagnosis with onychoscopy and treatment at Haute-Derma.

Brittle nails: why nails split, peel and crack, from water and solvents to iron or thyroid problems, and how Haute-Derma diagnoses and restores them.

Ingrown toenails and retronychia cause painful swelling and granulation tissue. Learn staging, conservative care and phenol matrixectomy at Haute-Derma.

Pincer nails explained: causes, signs of painful inward-curling toenails, X-ray workup and treatment with nail bracing or surgery at Haute-Derma.

Inflammatory nail disorders such as nail psoriasis and lichen planus: pitting, lifting and thickening, plus how Haute-Derma diagnoses and treats them.

Nail psoriasis: pitting, oil-drop spots and lifting nails explained, with NAPSI scoring, how it differs from fungus, and treatment options at Haute-Derma.

Nail eczema inflames the nail folds, strips the cuticle and leaves rippled nails, often from gel polish or atopy. Diagnosis and treatment at Haute-Derma.

Nail changes in alopecia areata: geometric pitting, sandpaper nails (trachyonychia), red lunulae, prognosis, and treatment including JAK inhibitors at Haute-Derma.

Nail lichen planus thins and splits nails and can scar them for good. Early diagnosis, steroid injections and systemic treatment at Haute-Derma.

Nail involvement in autoimmune blistering diseases: bullous paronychia, nail shedding and scarring in pemphigus, pemphigoid and EBA. Treatment at Haute-Derma.

Nail changes in scleroderma, dermatomyositis and lupus, from ragged cuticles to splinter hemorrhages. Nailfold capillaroscopy and treatment at Haute-Derma.

Nail changes in vasculitis and vasculopathy: splinter hemorrhages, nail bed infarcts and digital gangrene, with workup and treatment at Haute-Derma.

Nail infections from fungi, bacteria and viruses: discoloration, thickening and nail fold swelling, lab diagnosis and nail-sparing care at Haute-Derma.

Herpetic whitlow is a painful HSV infection causing clustered blisters around the nail. Learn how it differs from paronychia and how Haute-Derma treats it.

Nail warts from HPV: rough growths around and under the nail, pain, nail lifting and frequent recurrence. Dermoscopy and nail-sparing treatment at Haute-Derma.

Nail shedding after hand, foot, and mouth disease: Beau's lines, onychomadesis, how to tell it from fungus, and gentle nail care at Haute-Derma.

Staph and strep nail infections cause red, swollen, pus-filled nail folds and throbbing pain. Learn the signs, red flags and nail-sparing care at Haute-Derma.

Green nail syndrome (Pseudomonas nail infection): green-black nails and nail lifting, how it differs from fungus or melanoma, and care at Haute-Derma.

Onychomycosis turns nails yellow, thick and crumbly. Learn the main types, how it differs from nail psoriasis, and laser-based treatment at Haute-Derma.

How nails reflect internal disease: Lindsay's, Terry's and Plummer's nails and spoon nails as clues to kidney, liver, thyroid disease and anemia. Haute-Derma.

Nail signs of heart and lung disease: clubbing, splinter hemorrhages, yellow nail syndrome, cyanosis, and how Haute-Derma screens nails to catch them early.

Nail signs of liver and gut disease, from Terry's nails and Muehrcke's lines to spoon nails and clubbing, and how Haute-Derma assesses and protects them.

Nail changes in kidney and urogenital disease: half-and-half nails, Muehrcke's lines, nail-patella syndrome, syphilis and lupus. Assessment at Haute-Derma.

Nail amyloidosis: deep ridges, brittle thin nails, bleeding around the nails and nail loss. Congo red biopsy and systemic screening at Haute-Derma.

Nail changes in psychiatric disorders: nail biting, picking and habit-tic deformity. Nail dermoscopy and psychodermatology treatment at Haute-Derma.

Toxic nail changes explained: Mees’ lines, azure lunulae, drug-induced onycholysis and heavy metal clues, plus nail toxicology testing at Haute-Derma.

Inherited nail disorders such as pachyonychia congenita, nail-patella syndrome and Darier disease are often mistaken for fungus. See how Haute-Derma helps.

Pachyonychia congenita: thickened, distorted nails and painful sole calluses. Learn the gene types, diagnosis, and pain-relieving care at Haute-Derma.

Ectodermal dysplasias: inherited conditions affecting nails, hair, teeth and sweat glands, including HED and Clouston syndrome, and care at Haute-Derma.

Nail changes in epidermolysis bullosa: subungual blisters, pterygium and nail loss by EB subtype, with gentle, nail-sparing care at Haute-Derma.

Nail-patella syndrome: triangular lunulae, small or absent kneecaps, elbow changes and kidney risk, plus nail care and follow-up at Haute-Derma.

Nail changes in dyskeratosis congenita: thinning, ridging and nail loss, with lacy pigmentation and oral leukoplakia. Screening and care at Haute-Derma.

Congenital big toenail malalignment in children: deviated, thickened, ridged nails often mistaken for fungus, and gentle nail bracing care at Haute-Derma.

Nail unit tumors, from glomus tumors and myxoid cysts to subungual melanoma and SCC: warning signs, biopsy and nail-sparing surgery at Haute-Derma.

Onychocytic matricoma: a rare benign nail matrix tumor causing thick, discolored nail bands often mistaken for fungus. Diagnosis and surgery at Haute-Derma.

Onychomatricoma is a benign nail matrix tumor causing a thick yellow band and honeycomb holes at the nail tip. Learn diagnosis and surgery at Haute-Derma.

Onychopapilloma causes a red streak along one nail, a keratin plug at the tip and splinter bleeds. Learn about diagnosis and nail surgery at Haute-Derma.

Acquired ungual fibrokeratoma: a slow-growing horny bump by the nail that can groove it. How it differs from warts and how Haute-Derma removes it.

A digital myxoid pseudocyst is a shiny bump near the nail fold that can groove the nail. Learn about ultrasound, surgery and sclerotherapy at Haute-Derma.

Subungual glomus tumor: sharp, cold-triggered nail pain. Learn about Love's and Hildreth's tests, ultrasound diagnosis, and microsurgery at Haute-Derma.

Subungual exostosis and osteochondroma cause a hard, painful lump that lifts the nail. Learn about X-ray diagnosis and nail-sparing surgery at Haute-Derma.

Nail squamous cell carcinoma: a persistent warty, ulcerated or lifting nail often mistaken for warts or fungus. HPV links, diagnosis and Mohs surgery at Haute-Derma.

Benign melanonychia: brown or black stripes along the nail, their causes, onychoscopy, how they differ from melanoma and when to biopsy at Haute-Derma.

Nail melanoma: dark streaks under the nail, Hutchinson's sign and the ABCDEF rule. How Haute-Derma uses onychoscopy, matrix biopsy and surgery to treat it.

Polymorphic light eruption (PMLE): itchy red bumps and plaques after sun exposure. Phototesting, flare treatment and NB-UVB hardening at Haute-Derma.

Actinic prurigo: an itchy, persistent sun sensitivity starting in childhood, with lip and eye involvement. Diagnosis and treatment options at Haute-Derma.

Hydroa vacciniforme: sun-triggered blisters that heal with pitted scars, its link to EBV, HV-LPD warning signs, testing and care at Haute-Derma.

Chronic actinic dermatitis causes itchy, thickened eczema on sun-exposed skin. Learn about phototesting, photopatch testing and treatment at Haute-Derma.

Solar urticaria: itchy wheals within minutes of sun exposure, anaphylaxis risk, phototesting and treatment up to omalizumab at Haute-Derma.

Phototoxic vs photoallergic reactions: sunburn-like or eczema-like rashes from drugs and UV light, photopatch testing and treatment at Haute-Derma.

Frostbite, chilblains and trench foot explained: symptoms, grading, safe rewarming first aid and how cold skin injuries are treated at Haute-Derma.

Burns explained: burn degrees, estimating burn size, correct first aid, wound care, and burn scar treatment with laser and injections at Haute-Derma.

Psychodermatology: delusional parasitosis, skin picking, hair pulling and factitious dermatitis. Warning signs and combined care at Haute-Derma.

Skin signs of drug abuse: track marks, injection ulcers, levamisole vasculitis, meth sores, and how Haute-Derma treats and repairs damaged skin.

Skin signs of physical abuse: patterned bruises, bite marks, immersion and cigarette burns. Forensic documentation, reporting and skin repair at Haute-Derma.

Newborn skin explained: vernix, erythema toxicum, milia, heat rash, birthmarks, plus safe bathing, moisturizing, and diaper rash care at Haute-Derma.

Pediatric and teen dermatology: eczema, impetigo, molluscum, teenage acne and keratosis pilaris, with evidence-based care and treatment at Haute-Derma.

Pregnancy skin changes explained: melasma, stretch marks, acne, PUPPP, pemphigoid gestationis and cholestasis, plus safe treatment options at Haute-Derma.

Skin aging explained: intrinsic vs. photoaging, wrinkles, sagging and sun spots, with retinoids, biostimulators, Thermage and Ultherapy at Haute-Derma.

Benign epithelial skin tumors, from seborrheic keratoses to epidermoid cysts and syringomas: how Haute-Derma diagnoses and removes them with laser and microsurgery.

Seborrheic keratosis explained: causes, dermoscopy clues, how to tell it from skin cancer, the Leser-Trélat sign and safe laser removal at Haute-Derma.

Lichen striatus: small pink or skin-colored bumps forming a line along Blaschko lines, mostly in children aged 5–15. Diagnosis and care at Haute-Derma.

Clear cell acanthoma is a benign red papule, usually on the lower leg, that bleeds easily. Dermoscopy diagnosis and laser removal at Haute-Derma.

Chondrodermatitis nodularis helicis (Winkler disease): a painful ear nodule—causes, how it differs from skin cancer, and treatment at Haute-Derma.

Warty dyskeratoma: a benign, non-viral skin lesion with a central keratin plug. How Haute-Derma diagnoses it and removes it with precision laser.

Acanthoma fissuratum: a coffee-bean-shaped bump behind the ear or on the nose caused by eyeglass pressure. Diagnosis and treatment at Haute-Derma.

Epidermal nevus causes warty, linear plaques along Blaschko lines from early life. Learn about diagnosis, dermoscopy and Er:YAG laser care at Haute-Derma.

Nevus sebaceous: a yellow-orange hairless patch, often on the scalp, that thickens at puberty and can grow secondary tumors. Treatment at Haute-Derma.

Epidermoid cyst: a firm lump under the skin with a central pore that can become inflamed. See how Haute-Derma removes the whole sac through a tiny incision.

Pilar (trichilemmal) cysts of the scalp: how they differ from epidermoid cysts, ultrasound diagnosis, and hair-sparing en bloc removal at Haute-Derma.

Milia are tiny white keratin cysts, often around the eyes. Learn why they form, why squeezing fails, and how Haute-Derma removes them safely.

Steatocystoma simplex and multiplex: KRT17 genetics, oily cysts on the chest and neck, diagnosis and low-scar cyst removal at Haute-Derma.

Dermoid cysts are benign congenital lumps near the outer eyebrow containing hair and keratin. Learn about imaging and en-bloc excision at Haute-Derma.

Branchial cleft cyst: a benign congenital lump on the side of the neck. Symptoms, ultrasound diagnosis and scar-conscious surgical removal at Haute-Derma.

Preauricular sinus: a congenital pit in front of the ear that can discharge or form abscesses. Ultrasound mapping and complete excision at Haute-Derma.

Cutaneous hamartomas such as sebaceous, epidermal and Becker nevi: how they look, change with age and are treated with laser or excision at Haute-Derma.

Nhóm khối u đa dạng xuất phát từ tuyến mồ hôi, phần lớn là lành tính nhưng đôi khi có hình thái lâm sàng dễ nhầm lẫn với các khối u ác tính.

Nodular hidradenoma: a firm or cystic nodule under the skin that may ooze. Learn about ultrasound, biopsy and complete surgical excision at Haute-Derma.

Cylindroma is a benign adnexal tumor of the scalp linked to CYLD mutations and Brooke-Spiegler syndrome. Diagnosis, Mohs surgery and laser at Haute-Derma.

Spiradenoma is a benign sweat gland tumor causing a tender, painful nodule. Learn about its causes, diagnosis and surgical removal at Haute-Derma.

Hidradenocarcinoma is a rare, fast-growing sweat gland cancer that can ulcerate and spread. Diagnosis, Mohs surgery and follow-up at Haute-Derma.

Eccrine porocarcinoma: a rare, aggressive sweat duct cancer. Warning signs, biopsy and IHC, Mohs surgery, sentinel node biopsy and follow-up at Haute-Derma.

Spiradenocarcinoma, a rare sweat gland cancer: warning signs of malignant change, IHC diagnosis, Mohs surgery and multimodal treatment at Haute-Derma.

Digital papillary adenocarcinoma: a firm, often painless lump on a finger or toe, easily mistaken as benign. Diagnosis and Mohs surgery at Haute-Derma.

Microcystic adnexal carcinoma (MAC): a slow-growing, firm facial plaque that invades nerves. Deep biopsy, IHC and Mohs surgery at Haute-Derma.

Hidrocystomas are benign bluish sweat gland cysts, often around the eyes. Learn the eccrine and apocrine types, diagnosis and treatment at Haute-Derma.

Chondroid syringoma (cutaneous mixed tumor): a firm, slow-growing benign nodule on the face. Diagnosis, histology and precise excision at Haute-Derma.

Syringocystadenoma papilliferum: moist, oozing papillary growths on the scalp, links to nevus sebaceus, diagnosis and excision or laser at Haute-Derma.

Nipple adenoma causes nipple discharge, crusting and erosion that can mimic Paget's disease. Learn about biopsy, IHC and nipple-sparing surgery at Haute-Derma.

Adenoid cystic carcinoma grows slowly but spreads along nerves and to the lungs late. Learn about IHC diagnosis, Mohs surgery and radiotherapy at Haute-Derma.

Primary cutaneous apocrine adenocarcinoma: firm nodules in the armpit or groin, pathology and IHC diagnosis, Mohs surgery and node staging at Haute-Derma.

Primary cutaneous mucinous carcinoma, a slow-growing eyelid nodule: how Haute-Derma rules out metastasis, confirms it with IHC and treats it with Mohs.

Precancerous skin lesions like actinic keratosis and Bowen disease cause rough, scaly patches. Learn the cancer risk, diagnosis and treatment at Haute-Derma.

Actinic keratoses: rough, scaly sun spots that can turn into skin cancer. Learn the signs, diagnosis and field treatments like 5-FU and PDT at Haute-Derma.

Bowen disease (squamous cell carcinoma in situ): persistent scaly red patches, causes, dermoscopy and biopsy, and treatment options at Haute-Derma.

Bowenoid papulosis: HPV-16-related genital papules that mimic warts but are SCC in situ. Learn about biopsy, p16 testing and treatment at Haute-Derma.

Epidermodysplasia verruciformis: a rare inherited HPV disorder with flat warts, scaly patches and skin cancer risk. Diagnosis and care at Haute-Derma.

Anal and genital intraepithelial neoplasia (VIN, PIN, VaIN, AIN): HPV-related precancer, p16/p53 diagnosis and tissue-sparing treatment at Haute-Derma.

Oral leukoplakia: white patches that won't wipe off, a precancer linked to tobacco, betel and alcohol. Biopsy, grading and treatment at Haute-Derma.

Oral erythroplakia: a painless velvety red patch with a very high cancer risk. Learn about biopsy, staining and CO2 laser excision at Haute-Derma.

Arsenical keratosis: hard palm and sole bumps and raindrop pigmentation from chronic arsenic exposure, with skin cancer risk. Diagnosis and care at Haute-Derma.

Thermal keratosis: rough, scaly precancerous patches on heat-mottled skin from heating pads or laptops. Diagnosis, cancer risk and care at Haute-Derma.

Hydrocarbon (tar) keratosis: precancerous spots from long-term tar, oil and soot exposure, warning signs, diagnosis and CO2 laser care at Haute-Derma.

Radiation keratosis: rough, scaly spots on previously irradiated skin with a higher risk of squamous cell carcinoma. Diagnosis and care at Haute-Derma.

Chronic scar keratosis is a precancerous growth on old burn or ulcer scars that can turn into Marjolin's ulcer. Warning signs and treatment at Haute-Derma.

Basal cell carcinoma (BCC): pearly bumps, sores that won't heal, subtypes, dermoscopy and biopsy, and Mohs surgery with reconstruction at Haute-Derma.

Basal cell nevus (Gorlin) syndrome causes multiple early basal cell carcinomas, jaw cysts and palmar pits. Learn about diagnosis and care at Haute-Derma.

Squamous cell carcinoma causes scaly nodules or non-healing sores that can spread. Learn the warning signs, diagnosis and Mohs surgery at Haute-Derma.

Keratoacanthoma: a fast-growing, volcano-shaped skin tumor. Learn how it differs from squamous cell carcinoma and how Haute-Derma diagnoses and removes it.

Merkel cell carcinoma is a rare, fast-growing skin cancer. Learn the AEIOU warning signs, diagnosis, staging and treatment options at Haute-Derma.

Paget’s disease of the skin can mimic eczema on the nipple or genital area. Learn about symptoms, biopsy, cancer screening and treatment at Haute-Derma.

Moles (melanocytic nevi): the main types, ABCDE warning signs of melanoma, dermoscopy screening and safe mole removal options at Haute-Derma.

Melanoma: spot the warning signs, from ABCDE changes in moles to dark nail streaks. Early diagnosis, surgery and immunotherapy at Haute-Derma.

Langerhans cell histiocytosis (LCH) of the skin: seborrheic-like rashes with petechiae, biopsy and IHC diagnosis, staging, and treatment at Haute-Derma.

Nhóm tổn thương hình thành từ sự tăng sinh mạch máu hoặc mạch bạch huyết, bao gồm các dạng lành tính như u máu diện rộng đến các dạng ác tính như Sarcoma Kaposi.

Cutaneous lymphoma, including mycosis fungoides: early signs that mimic eczema or psoriasis, biopsy-based diagnosis, staging and treatment at Haute-Derma.

Cutaneous pseudolymphoma is a benign red-purple nodule or plaque that mimics lymphoma. Its triggers, diagnosis and treatment at Haute-Derma.

Muscle and nerve tumors of the skin, from leiomyoma, neurofibroma and schwannoma to sarcomas: diagnosis, genetic screening and surgery at Haute-Derma.

U lành tính xuất phát từ cơ trơn (dựng lông, mạch máu hoặc sinh dục). Biểu hiện bằng các sẩn hoặc nốt màu hồng đến nâu đỏ, ranh giới rõ, đặc trưng bởi cảm giác đau nhói bùng phát khi tiếp xúc với lạnh hoặc va chạm.

U trung mô ác tính xuất phát từ cơ trơn ở trung bì hoặc hạ bì. Biểu hiện bằng khối u đơn độc, cứng chắc, đau, màu đỏ tím, tiến triển nhanh và dễ hoại tử loét, hay gặp ở chi dưới của người lớn tuổi.

Dị dạng bẩm sinh hoặc mắc phải đặc trưng bởi sự tăng sinh các bó cơ trơn ở trung bì. Biểu hiện bằng mảng da tăng sắc tố kèm rậm lông, hơi cứng chắc và có thể gồ cao lên khi cọ xát (dấu hiệu Darier giả).

U lành tính hiếm gặp xuất phát từ sự phân hóa của tế bào cơ vân. Biểu hiện bằng khối nốt đơn độc, cứng chắc, không đau, tiến triển chậm, hay gặp ở vùng đầu - cổ hoặc niêm mạc miệng.

U trung mô ác tính mức độ cao hay gặp ở trẻ em, phân hóa từ tế bào cơ vân phôi. Biểu hiện bằng khối u thâm nhiễm tiến triển nhanh, mật độ mềm đến cứng, màu đỏ tím và dễ xâm lấn mô xung quanh.

Tổn thương bẩm sinh lành tính gồm các sợi cơ vân trưởng thành đan xen với mô mỡ, thần kinh và mô liên kết. Biểu hiện bằng sẩn hoặc nốt dẹt đơn độc màu da ở vùng mặt hoặc cổ của trẻ sơ sinh.

Dị dạng lành tính hiếm gặp kết hợp giữa các sợi thần kinh ngoại vi và sợi cơ vân trưởng thành. Biểu hiện bằng khối nốt bẩm sinh cứng chắc sâu dưới da, dính liền với các thân dây thần kinh lớn.

Dị dạng bẩm sinh dạng ngón tay/chân thừa kém phát triển ở gốc ngón thứ V hoặc ngón I. Biểu hiện bằng sẩn hoặc nốt nhỏ có cuống, chứa nhiều nhánh thần kinh nhỏ nên rất nhạy cảm và đau khi chèn ép.

U lành tính của dây thần kinh ngoại vi, đặc trưng bởi sẩn đơn độc hình vòm, màu da hoặc hồng nhạt, ranh giới rõ, không đau, tập trung chủ yếu ở vùng mặt của người trưởng thành.

Hội chứng di truyền trội (đột biến gen RET) bao gồm ung thư giáp thể tủy, u tủy thượng thận và vóc dáng Marfan. Biểu hiện trên da - niêm mạc bởi vô số u thần kinh màu hồng nhạt ở môi, lưỡi, niêm mạc miệng và mi mắt.

U lành tính bao dây thần kinh xuất phát từ tế bào Schwann. Biểu hiện bằng nốt đơn độc dưới da, có vỏ bọc ranh giới rõ, mật độ chắc, di động ngang nhưng cố định dọc theo đường đi của dây thần kinh.

U lành tính cấu tạo từ tế bào Schwann, tế bào xơ và sợi trục thần kinh. Biểu hiện bằng các sẩn/nốt mềm màu da, có "dấu hiệu khuyết nhẫn" (lún xuống khi ấn vào), xuất hiện đơn độc hoặc đa ổ trong bệnh Neurofibromatosis tuýp 1.

U lành tính bao dây thần kinh giàu chất nhầy trung mô. Biểu hiện bằng sẩn hoặc nốt hơi trong suốt, màu hồng hoặc màu da, ranh giới rõ, tiến triển chậm ở vùng cẳng tay, bàn tay hoặc mặt.

U lành tính hiếm gặp cấu tạo thuần túy từ tế bào bao quanh dây thần kinh (perineurial cells). Biểu hiện bằng nốt cứng chắc đơn độc dưới da, màu da, không đau, hay gặp ở các chi của người trưởng thành.

U lành tính xuất phát từ tế bào Schwann có nhiều hạt ưa acid trong bào tương. Biểu hiện bằng nốt hoặc mảng cứng đơn độc màu nâu đỏ, bề mặt mịn hoặc sần sùi, đặc biệt hay gặp ở lưỡi và da.

Dị tật bẩm sinh do sự di cư bất thường của mô thần kinh trung ương (mô đệm thần kinh đệm hoặc màng nào) ra da. Biểu hiện bằng khối nốt hơi đỏ hoặc xanh nhạt ở vùng da đầu, gốc mũi hoặc đường giữa ở trẻ nhỏ.

U gốc thần kinh lành tính gồm các tế bào hạch trưởng thành đan xen với tế bào Schwann. Tổn thương da rất hiếm gặp, biểu hiện bằng các sẩn hoặc nốt cứng chắc, màu da hoặc đỏ sẫm, phân bố đơn độc hoặc rải rác.

Biến thể u màng nào thất tiến triển chậm, đặc trưng bởi cấu trúc nhú trên nền nhầy giàu mucin. Tổn thương da/dưới da rất hiếm, hay gặp ở vùng cùng - cụt dưới dạng khối nốt chắc, dính sâu và có thể gây biến dạng xương.

Fatty tumors explained: lipoma, angiolipoma, atypical lipomatous tumor and liposarcoma, warning signs, MRI and biopsy, and removal at Haute-Derma.

Lipomatosis, including Madelung disease, Dercum disease and familial lipomatosis: key signs, imaging, ruling out liposarcoma and treatment at Haute-Derma.

Lipomatosis of nerve (fibrolipomatous hamartoma): wrist swelling, carpal tunnel symptoms, macrodactyly, MRI diagnosis, and nerve-sparing decompression at Haute-Derma.

Nevus lipomatosis superficialis: soft, skin-colored or yellowish bumps on the lower back, buttocks or thighs. Biopsy diagnosis and surgery at Haute-Derma.

Lipoblastoma and lipoblastomatosis: a fast-growing but benign fatty tumor in young children. Signs, PLAG1 testing and surgical care at Haute-Derma.

Angiolipomas are benign fatty lumps under the skin that hurt when touched, often several on the forearms. Learn about diagnosis and removal at Haute-Derma.

Spindle cell lipoma: a benign, slow-growing lump on the back of the neck or shoulders in older men. Diagnosis, MRI, IHC and excision at Haute-Derma.

Pleomorphic lipoma: a benign fatty lump on the back of the neck or shoulders of older men. How Haute-Derma rules out liposarcoma and removes it.

Chondroid lipoma is a rare benign deep fatty tumor of the limbs. Learn how Haute-Derma confirms it with MRI and IHC and removes it surgically.

Myolipoma is a rare benign tumor of fat and smooth muscle. Learn how Haute-Derma confirms the diagnosis, rules out liposarcoma, and removes it.

Hibernoma: a benign brown-fat tumor of the neck, shoulder or armpit that can mimic cancer on PET-CT. UCP1 diagnosis and complete excision at Haute-Derma.

Atypical lipomatous tumor (ALT): a deep, slow-growing fatty mass of the thigh or buttock. Learn about MDM2 testing, MRI and wide excision at Haute-Derma.

Liposarcoma is a cancer of fat tissue that often starts as a painless deep lump. Subtypes, MRI and biopsy diagnosis, and R0 surgery at Haute-Derma.

Protein-energy malnutrition (PEM) causes flaky-paint skin, the hair flag sign and brittle nails. Diagnosis and skin recovery care at Haute-Derma.

Essential fatty acid deficiency causes scaly skin, fold dermatitis, hair loss and slow healing. Diagnosis via the triene:tetraene ratio at Haute-Derma.

Fat-soluble vitamins A, D, E and K: how they affect the skin, signs of deficiency and excess, blood testing and their use in treatment at Haute-Derma.

Vitamin A deficiency and the skin: phrynoderma, severe dry skin and night blindness. How Haute-Derma tests retinol levels, rules out look-alikes and treats it.

Vitamin A toxicity causes peeling skin, cracked lips, hair loss and headaches. Learn the warning signs, key tests and treatment at Haute-Derma.

Carotenemia and carotenoderma: yellow-orange palms and soles with white eyes, the causes, how to tell it from jaundice, and how Haute-Derma manages it.

How vitamin D deficiency affects skin immunity and links to eczema, psoriasis, vitiligo and alopecia areata, plus testing and treatment at Haute-Derma.

Vitamin E deficiency can leave skin dry, sun-sensitive, slow to heal and prone to acne and dark spots. Learn about testing and treatment at Haute-Derma.

Vitamin K deficiency and the skin: easy bruising, purpura and prolonged bleeding after procedures, with testing and treatment options at Haute-Derma.

Water-soluble vitamins (B complex, C) and the skin: deficiency signs like pellagra, scurvy and angular cheilitis, testing and treatment at Haute-Derma.

Thiamine (vitamin B1) deficiency and the skin: edema, redness, burning feet and slow-healing ulcers. Learn diagnosis and treatment at Haute-Derma.

Riboflavin (vitamin B2) deficiency: cracked mouth corners, magenta tongue and seborrheic-like rash, EGRAC testing, look-alikes and treatment at Haute-Derma.

Vitamin B3 deficiency (pellagra): sun-sensitive rash, Casal's necklace, sore red tongue, lab diagnosis and nicotinamide treatment at Haute-Derma.

Vitamin B6 deficiency causes seborrheic-like rashes, mouth-corner cracks, a sore tongue and tingling limbs. Diagnosis and treatment at Haute-Derma.

Biotin (vitamin B7) deficiency causes rashes around the mouth and eyes, hair loss and brittle nails. Causes, testing and biotin treatment at Haute-Derma.

Folate (vitamin B9) deficiency can cause skin darkening, mouth ulcers, a sore tongue and hair loss. See how Haute-Derma tests for and treats it safely.

Vitamin B12 deficiency can darken the knuckles, inflame the tongue and thin the hair. Learn how Haute-Derma confirms the cause and replaces cobalamin.

Vitamin C deficiency causes scurvy, with bleeding around follicles, corkscrew hairs, bleeding gums and poor healing. Diagnosis and care at Haute-Derma.

Vi khoáng chất (Trace elements) là nhóm dưỡng chất vô cơ chiếm tỷ lệ rất nhỏ trong cơ thể nhưng đóng vai trò là cấu tử trung tâm (metalloenzymes), chất xúc tác hoặc yếu tố điều hòa gen cho hàng trăm chu trình sinh học tại da.

How copper affects skin and hair: Menkes disease, Wilson disease, copper deficiency and overload, testing, and GHK-Cu skin therapy at Haute-Derma.

Selenium imbalance and skin: deficiency causes pale hair and white nails; excess causes hair loss, nail shedding and garlic breath. Care at Haute-Derma.

Manganese imbalance: deficiency slows wound healing and thins the skin; excess causes gray pigmentation and oily skin. Testing and care at Haute-Derma.

How iron imbalance shows in skin, hair and nails: hair shedding, spoon nails and itch, or bronze skin from overload. Testing and treatment at Haute-Derma.

Zinc deficiency causes periorificial rashes, hair loss and slow healing; excess zinc depletes copper. Learn about testing and zinc therapy at Haute-Derma.

The porphyrias explained: light sensitivity, blistering, PCT, EPP and CEP, how they are diagnosed and which sun protection works, from Haute-Derma.

Porphyria cutanea tarda (PCT) causes fragile skin, blisters on sun-exposed areas and dark urine. Learn about triggers, tests and treatment at Haute-Derma.

Hepatoerythropoietic porphyria (HEP): early-childhood blistering, scarring light sensitivity and red urine. UROD testing and lifelong care at Haute-Derma.

Congenital erythropoietic porphyria (Günther disease): severe light sensitivity, blisters, red teeth and hemolytic anemia. Diagnosis and care at Haute-Derma.

Protoporphyria (EPP, XLP): inherited disorders causing severe burning skin pain in light and liver risk. Diagnosis and treatment at Haute-Derma.

Acute hepatic porphyrias (AHP) cause severe abdominal pain, weakness and psychiatric symptoms. Learn about triggers, PBG testing and care at Haute-Derma.

Cutaneous amyloidosis: rippled brown patches, itchy lichenoid bumps, nodules and signs of systemic disease. Diagnosis and treatment options at Haute-Derma.

Macular amyloidosis: itchy, rippled gray-brown patches on the upper back and arms. Causes, dermoscopy diagnosis and laser treatment at Haute-Derma.

Lichen amyloidosis: very itchy, firm brown papules on the shins. Learn the causes, dermoscopy and biopsy findings, and laser treatment at Haute-Derma.

Biphasic cutaneous amyloidosis combines rippled dark patches with itchy, thickened lichen papules. Learn diagnosis and dual-laser treatment at Haute-Derma.

Nodular amyloidosis: waxy, painless skin nodules that can signal systemic AL amyloidosis. Learn about screening, diagnosis, and treatment at Haute-Derma.

Amyloid next to skin tumors: why it forms around basal cell carcinoma and other growths, how pathologists identify it, and treatment at Haute-Derma.

Gelsolin amyloidosis (Meretoja syndrome): early facial skin laxity, facial palsy and lattice corneal dystrophy. Diagnosis and care at Haute-Derma.

Transthyretin amyloidosis (ATTR): hereditary and wild-type forms, skin bruising, bilateral carpal tunnel, heart and nerve signs. Early diagnosis at Haute-Derma.

Injection site amyloidosis: firm lumps at insulin injection sites that block absorption and upset glucose control. Diagnosis and treatment at Haute-Derma.

Amyloidosis cutis dyschromica (ACD): mottled light and dark spots from childhood, its GPNMB genetic basis, biopsy diagnosis, and treatment at Haute-Derma.

Xanthomas are yellow fatty skin deposits that can signal high cholesterol or triglycerides. Learn the types, lipid testing and treatment at Haute-Derma.

Rối loạn di truyền gây tích tụ chất béo trong tế bào, biểu hiện da điển hình là các điểm sẩn huyết mạch (angiokeratomas) màu đỏ sẫm, thường tập trung ở vùng "tắm quần".

Calcinosis cutis and other skin mineral deposits cause hard nodules, ulcers and chalky discharge. Types, tests and treatment options at Haute-Derma.

Dystrophic calcification: hard white lumps in damaged skin despite normal blood calcium, linked causes, imaging and biopsy, and treatment at Haute-Derma.

Metastatic calcification: why high blood calcium and phosphate deposit in healthy skin, how it presents, and how Haute-Derma diagnoses and treats it.

Idiopathic calcinosis cutis, including scrotal calcinosis and Winer's nodule: hard white-yellow nodules. Ultrasound diagnosis and removal at Haute-Derma.

Iatrogenic calcinosis cutis: hard skin nodules after calcium IV leaks, ECG/EEG electrodes or infant heel sticks. Causes, diagnosis and care at Haute-Derma.

Primary osteoma cutis forms stone-hard bumps or tiny bone grains in the skin. Learn about diagnosis, CO2 laser removal and minor surgery at Haute-Derma.

Gout and the skin: tophi on the ears and fingers, ulcerated tophi and infection. Diagnosis, urate-lowering therapy, surgery and laser at Haute-Derma.

Skin graft-versus-host disease after stem cell transplant: acute rash, lichenoid and sclerotic forms, diagnosis and phototherapy care at Haute-Derma.

Inherited DNA repair disorders such as XP, Bloom, Werner and Fanconi anemia: mechanisms, skin signs and safe care at Haute-Derma.

Cockayne syndrome: a rare inherited DNA-repair disorder causing sun sensitivity, premature aging and thin skin. Diagnosis and skin care at Haute-Derma.

Trichothiodystrophy (TTD): brittle, sulfur-deficient hair with skin, growth and sun-sensitivity problems. Diagnosis, genetics and care at Haute-Derma.

Bloom syndrome: a rare inherited disorder causing sun-sensitive facial redness, short stature and high cancer risk. Diagnosis and care at Haute-Derma.

Werner syndrome (adult progeria): thin, sclerotic skin, hard-to-heal ulcers, early graying and cataracts. Diagnosis, wound care and screening at Haute-Derma.

Rothmund-Thomson syndrome: early-onset poikiloderma, skeletal defects and osteosarcoma risk, with RECQL4 testing and skin care at Haute-Derma.

Fanconi anemia and the skin: café-au-lait macules, pigment changes, bone marrow failure and squamous cell cancer risk. Screening and care at Haute-Derma.

Dyskeratosis congenita causes net-like pigmentation, nail dystrophy, oral leukoplakia and marrow failure. Learn about telomere testing and care at Haute-Derma.

Ectodermal dysplasias: inherited conditions affecting nails, hair, teeth and sweat glands, including HED and Clouston syndrome, and care at Haute-Derma.

Skin signs of internal disease, from acanthosis nigricans and malar rash to pyoderma gangrenosum. See how Haute-Derma screens and coordinates care.

Cutaneous paraneoplastic syndromes are skin signs of hidden internal cancer. Learn the key patterns, linked tumors and how Haute-Derma screens and refers.

Malignant acanthosis nigricans: sudden dark, velvety skin in folds, mouth and palms that can signal stomach cancer. How Haute-Derma spots and screens it.

Acquired ichthyosis: adult-onset dry, fish-like scaling that can signal lymphoma or systemic disease. Causes, workup and skin care at Haute-Derma.

Pityriasis rotunda causes sharply round, scaly patches that can signal liver cancer or TB. Learn the signs, workup and skin care offered at Haute-Derma.

Tripe palms: thick, velvety palms with deep ridges that often signal lung or stomach cancer. Learn the signs, workup and cancer screening at Haute-Derma.

Leser-Trélat sign: a sudden eruption of many itchy seborrheic keratoses that can signal internal cancer. How it is recognized and screened at Haute-Derma.

Bazex syndrome: psoriasis-like scaling of the ears, nose, fingertips and nails that can signal throat, esophageal or lung cancer. Care at Haute-Derma.

Necrolytic migratory erythema (NME): a migrating, blistering red rash that can signal pancreatic glucagonoma. Diagnosis and referral at Haute-Derma.

Multicentric reticulohistiocytosis (MRH) causes coral-bead papules, destructive arthritis and cancer links. Learn about diagnosis and care at Haute-Derma.

Necrobiotic xanthogranuloma: ulcerating yellow-orange plaques around the eyes linked to paraproteinemia and myeloma. Diagnosis and workup at Haute-Derma.

Hypertrichosis lanuginosa acquisita: sudden fine, downy hair on the face and body that can signal internal cancer. Diagnosis and screening at Haute-Derma.

Trousseau syndrome causes migrating, painful red streaks along superficial veins and is linked to hidden cancer. Learn the warning signs at Haute-Derma.

Cutaneous metastases: firm nodules, erysipelas-like patches and hardened skin from internal cancers, plus biopsy, IHC and referral at Haute-Derma.

Leukemia and lymphoma cutis: firm plum-colored nodules and stubborn plaques. Warning signs, skin biopsy, immunohistochemistry and referral at Haute-Derma.

Paget’s disease of the skin can mimic eczema on the nipple or genital area. Learn about symptoms, biopsy, cancer screening and treatment at Haute-Derma.

Neurofibromatosis types 1 and 2: café-au-lait spots, axillary freckling, cutaneous and plexiform neurofibromas. Diagnosis, genetic testing and follow-up at Haute-Derma.

Tuberous sclerosis complex (TSC): ash-leaf spots, facial angiofibromas and shagreen patches. Diagnosis, topical sirolimus and care at Haute-Derma.

Skin signs of diabetes: acanthosis nigricans, shin spots, necrobiosis lipoidica, blisters, and infections, plus screening and treatment at Haute-Derma.

Diabetic acanthosis nigricans: dark, velvety skin on the neck, armpits and groin that signals insulin resistance. Testing and treatment at Haute-Derma.

Diabetic thick skin: stiff hands, the prayer sign and scleredema of the neck and back, why it happens, and how Haute-Derma restores skin and mobility.

Diabetic limited joint mobility and scleroderma-like skin: stiff hands, waxy thick skin and the prayer sign. How Haute-Derma assesses and treats it.

Scleredema diabeticorum: woody thickening of the neck and upper back in diabetes, causes, how it differs from scleroderma, and treatment at Haute-Derma.

Eruptive xanthomas are sudden yellow-red bumps signaling very high triglycerides and pancreatitis risk. Learn signs, tests and treatment at Haute-Derma.

Skin infections in diabetes: cellulitis, boils, carbuncles, candidal intertrigo and athlete's foot, why they get serious, and treatment at Haute-Derma.

Diabetic foot ulcers often start painless but can lead to infection and amputation. Learn about Wagner grading, off-loading and wound care at Haute-Derma.

Viêm mạch máu vi mô và hoại tử collagen trung bì do bệnh lý vi mạch đái tháo đường. Biểu hiện bằng các mảng màu đỏ nâu tiến triển thành trung tâm teo da màu vàng nhạt lộ rõ mạch máu giãn, thường gặp ở vùng cẳng chân.

Granuloma annulare: ring-shaped bumps on the hands, feet and limbs. Clinical types, how it differs from ringworm, and treatment options at Haute-Derma.

Diabetic dermopathy (shin spots): brown, slightly sunken patches on the shins that flag microvascular complications. Diagnosis and care at Haute-Derma.

Bullosis diabeticorum causes sudden, painless blisters on the feet and hands in diabetes. Learn how Haute-Derma diagnoses it and protects the skin.

Obesity and metabolic syndrome show on the skin as acanthosis nigricans, skin tags, intertrigo and stretch marks. See how Haute-Derma screens and treats them.

How thyroid disease shows up in skin, hair and nails – dry skin, myxedema, pretibial myxedema, hair loss – and how Haute-Derma treats it.

Parathyroid disease can cause chronic itch, calcinosis cutis, calciphylaxis, dry skin, hair loss and brittle nails. How Haute-Derma assesses and treats it.

How adrenal disorders such as Addison disease, Cushing syndrome and CAH show up on the skin, from darkening to acne and hirsutism. Care at Haute-Derma.

Cushing syndrome skin signs: thin, easily bruised skin, wide purple stretch marks, moon face, steroid acne. Cortisol testing and care at Haute-Derma.

Addison disease: bronze skin darkening and dark patches inside the mouth from adrenal failure. Hormone testing and pigment care at Haute-Derma.

How estrogen and progesterone shape your skin: collagen, oil, cyclical acne, melasma and menopausal aging, plus how Haute-Derma diagnoses and treats them.

How androgens and DHT drive hormonal acne, hirsutism, pattern hair loss and oily skin, plus hormone testing and treatment options at Haute-Derma.

GH điều hòa độ dày da, tuyến mồ hôi và sự tăng sinh thượng bì. Dư thừa GH (bệnh đầu chi) gây dày da, gai đen, thịt thừa và tăng tiết mồ hôi; thiếu hụt GH làm da mỏng, khô và lão hóa sớm.

Acromegaly often shows first in the skin: thick, oily skin, heavy sweating, skin tags and acanthosis nigricans. Screening and skin care at Haute-Derma.

Growth hormone deficiency and hypopituitarism cause thin, dry, pale skin that bruises easily. Learn how Haute-Derma assesses and restores affected skin.

Cutaneous necrotizing venulitis (leukocytoclastic vasculitis): palpable purpura, blisters and leg ulcers. Diagnosis and treatment at Haute-Derma.

Systemic necrotizing arteritis: painful nodules, livedo racemosa, deep ulcers and digital gangrene. Deep biopsy, treatment and wound care at Haute-Derma.

Erythema elevatum diutinum (EED) causes firm red-purple to yellow-brown plaques over the joints. Causes, diagnosis and dapsone treatment at Haute-Derma.

Behçet disease: recurrent mouth and genital ulcers, skin lesions, and eye inflammation. ICBD diagnosis, pathergy testing, and treatment at Haute-Derma.

Kawasaki disease: prolonged fever, rash, strawberry tongue and peeling fingertips in young children. Early recognition, IVIG and skin care at Haute-Derma.

Pigmented purpuric dermatoses (PPD): cayenne pepper spots on the lower legs. Subtypes, dermoscopy, biopsy, blood tests and treatment options at Haute-Derma.

Cryoglobulinemia and cryofibrinogenemia: cold-triggered purpura, Raynaud and fingertip ulcers, correct 37°C testing and treatment at Haute-Derma.

Raynaud's phenomenon turns fingers white, blue and red in the cold. Primary vs secondary forms, nailfold capillaroscopy and treatment at Haute-Derma.

Degos disease (malignant atrophic papulosis): porcelain-white papules, gut and brain risks, biopsy diagnosis, and treatment options at Haute-Derma.

Vascular malformations, from port-wine stains to venous, lymphatic, and AV malformations: ISSVA classification, imaging, and laser care at Haute-Derma.

Skin changes from arterial, venous and lymphatic disease: leg ulcers, staining, stasis dermatitis, ABI and Doppler testing, and treatment at Haute-Derma.

How skin wounds heal in four phases, why some become chronic or scar badly, and how Haute-Derma uses TIME care, PRP and LED to speed recovery.

Superficial skin infections and pyodermas: impetigo, folliculitis, boils and carbuncles from staph, strep and MRSA. Testing and treatment at Haute-Derma.

Cellulitis and erysipelas: red, hot, painful, swollen skin with fever. How to tell them apart, emergency warning signs and treatment at Haute-Derma.

Toxin-producing Gram-positive infections: toxic shock syndrome, staphylococcal scalded skin syndrome and PVL necrosis. Diagnosis and care at Haute-Derma.

Necrotizing fasciitis is a life-threatening soft tissue infection. Learn its warning signs, the LRINEC score, diagnosis and emergency care at Haute-Derma.

Necrotizing cellulitis: warning signs such as blood-filled blisters, black eschar and crepitus, plus how Haute-Derma diagnoses and treats it.

Myonecrosis (gas gangrene): severe muscle pain, swelling, crepitus and toxic shock. How Haute-Derma spots it early and coordinates emergency treatment.

Gram-negative coccal infections: meningococcal purpura, disseminated gonococcal infection, rapid diagnosis and urgent antibiotic care at Haute-Derma.

Gram-negative skin infections from Pseudomonas, Vibrio and others: ecthyma gangrenosum, green pus, biofilms, resistant strains and care at Haute-Derma.

Infective endocarditis skin signs: Osler nodes, Janeway lesions, splinter hemorrhages and petechiae, plus Duke criteria and urgent referral at Haute-Derma.

Skin signs of sepsis: purpura fulminans, mottling, acrocyanosis and ecthyma gangrenosum. Early recognition and urgent care pathways at Haute-Derma.

How DIC shows up on the skin: purpura fulminans, bruising, oozing and acral gangrene. Learn how Haute-Derma assesses and manages these urgent signs.

Erythrasma, pitted keratolysis, erysipeloid, bacillary angiomatosis and actinomycosis: signs, lab diagnosis and targeted antibiotics at Haute-Derma.

Cutaneous TB and nontuberculous mycobacteria: lupus vulgaris, scrofuloderma, fish tank granuloma and post-procedure NTM. Diagnosis and care at Haute-Derma.

Actinomycosis and actinomycetoma: woody swelling, draining sinuses, and sulfur granules. Diagnosis and long-term antibiotic treatment at Haute-Derma.

Cutaneous nocardiosis: abscesses, sporotrichoid nodules and mycetoma, diagnosis with modified Kinyoun stain and culture, and treatment at Haute-Derma.

Leprosy (Hansen's disease): numb skin patches, thickened nerves and lepra reactions. How Haute-Derma diagnoses it and treats it with WHO multidrug therapy.

Dermatophytes cause ringworm of the scalp, body, groin, feet and nails. Learn how Haute-Derma diagnoses, tests for resistance and treats these fungal infections.

Onychomycosis turns nails yellow, thick and crumbly. Learn the main types, how it differs from nail psoriasis, and laser-based treatment at Haute-Derma.

Piedra is a hair-shaft fungal infection causing black or white nodules and brittle hair. Learn how it is told apart, diagnosed and treated at Haute-Derma.

Tinea barbae is a fungal infection of the beard causing pustules and inflamed plaques. Learn how Haute-Derma diagnoses and treats it with oral antifungals.

Tinea capitis causes scaly bald patches, broken hairs, black dots and kerion in children. How Haute-Derma diagnoses it and treats it with oral antifungals.

Tinea corporis (ringworm): itchy ring-shaped patches with a raised edge. Causes, KOH testing, treatment and steroid-induced tinea care at Haute-Derma.

Tinea cruris (jock itch): itchy red groin patches with a raised edge. How it differs from erythrasma and Candida, and how Haute-Derma treats it for good.

Tinea favosa (favus) causes yellow cup-shaped crusts, a mousy odor and scarring hair loss. Diagnosis and oral antifungal treatment at Haute-Derma.

Tinea manuum (hand fungus): powdery palm creases, two-feet one-hand syndrome, how it differs from eczema, and how Haute-Derma diagnoses and treats it.

Athlete's foot (tinea pedis): itchy, peeling toe webs, blisters or dry, scaly soles. KOH testing, antifungal care and relapse prevention at Haute-Derma.

Tinea nigra causes a painless brown-black patch on the palm that can mimic melanoma. Dermoscopy, KOH testing and topical treatment at Haute-Derma.

Candidiasis of the skin and mucosa: red, moist intertrigo, satellite pustules, oral thrush and paronychia. Causes, diagnosis and treatment at Haute-Derma.

Malassezia yeast and the conditions it causes: tinea versicolor, fungal folliculitis and seborrheic dermatitis. Diagnosis and treatment at Haute-Derma.

Sporotrichosis causes nodules and ulcers along lymph vessels after thorn pricks or cat scratches. Learn about diagnosis and treatment at Haute-Derma.

Mycetoma (Madura foot): painless swelling, draining sinuses and grains. How Haute-Derma tells fungal from bacterial mycetoma and treats them to save the limb.

Chromoblastomycosis causes warty, crusted plaques with black dots on the limbs. Learn how Haute-Derma diagnoses it and treats it with antifungals and more.

Phaeohyphomycosis: a pigmented fungal infection that often forms a cyst after a splinter injury. Forms, diagnosis and treatment explained by Haute-Derma.

Lobomycosis causes slow-growing, keloid-like nodules on the ears and limbs. Learn how Haute-Derma diagnoses it on biopsy and treats it with surgery.

Cutaneous mucormycosis: painful red plaques that rapidly turn into black dead tissue. An emergency treated with surgery and antifungals at Haute-Derma.

Rhinosporidiosis causes bleeding, strawberry-like polyps in the nose or eye after exposure to stagnant water. See how Haute-Derma diagnoses and treats it.

Histoplasmosis can cause oral ulcers and necrotic skin papules in immunocompromised people. Learn how Haute-Derma diagnoses and treats it.

Blastomycosis causes warty or ulcerated skin plaques that can mimic squamous cell carcinoma. Learn about diagnosis and treatment at Haute-Derma.

Coccidioidomycosis (Valley fever) in the skin: erythema nodosum, verrucous plaques and abscesses, spherule diagnosis and antifungal care at Haute-Derma.

Paracoccidioidomycosis: mulberry-like mouth ulcers, skin and lymph node disease, mariner's wheel yeast, and itraconazole treatment at Haute-Derma.

Talaromycosis (T. marneffei infection): umbilicated necrotic papules, fever and weight loss in advanced HIV. How Haute-Derma diagnoses and treats it.

Cutaneous cryptococcosis: umbilicated papules, abscesses and ulcers that signal disseminated fungal infection. Diagnosis and treatment at Haute-Derma.

Mucormycosis (black fungus): black eschar of skin and sinuses, risk factors, rapid diagnosis, surgical debridement and antifungal therapy at Haute-Derma.

Viral rashes such as measles, rubella, chickenpox and hand-foot-mouth disease: how to recognize them, rule out drug rashes and treat at Haute-Derma.

Rubella (German measles): a 3-day pink rash, tender nodes behind the ears, and risks in pregnancy. Testing, pregnancy advice, and MMR at Haute-Derma.

Fifth disease (parvovirus B19): slapped-cheek rash, lacy body rash, joint pain and pregnancy risks. Diagnosis, testing and care at Haute-Derma.

Epstein-Barr virus (EBV) can cause mononucleosis, amoxicillin rash and oral hairy leukoplakia. Learn about EBV testing and treatment at Haute-Derma.

Gianotti-Crosti syndrome causes red bumps on a child's face, buttocks and limbs after a virus or vaccine. Learn causes, diagnosis and care at Haute-Derma.

Cytomegalovirus (CMV) and the skin: necrotic ulcers in immunocompromised patients, rashes, congenital CMV, biopsy and PCR diagnosis, and antivirals at Haute-Derma.

Human herpesvirus 6 (HHV-6): roseola in young children, fever followed by rash, inherited ciHHV-6, its role in DRESS, and treatment at Haute-Derma.

Human herpesvirus 7 (HHV-7) and its link to pityriasis rosea: herald patch, Christmas-tree rash, diagnosis and treatment, explained by Haute-Derma.

Hand, foot and mouth disease: mouth ulcers, palm and sole blisters, severity grades and red flags, nail shedding after CVA6, and care at Haute-Derma.

Eruptive pseudoangiomatosis causes red papules with pale halos after a viral illness and clears in 2–8 weeks. How Haute-Derma diagnoses and manages it.

Unilateral laterothoracic exanthem (ULE) in children: viral triggers, a one-sided rash starting near the armpit, diagnosis and gentle care at Haute-Derma.

Herpes simplex (HSV-1, HSV-2): recurring blister clusters on the lips or genitals. Why it comes back, PCR diagnosis and antiviral treatment at Haute-Derma.

Chickenpox and shingles (varicella-zoster virus): rash, nerve pain, diagnosis, antiviral treatment and preventing postherpetic neuralgia at Haute-Derma.

Poxvirus skin infections, including molluscum contagiosum, mpox and orf: umbilicated bumps and pustules, diagnosis and treatment at Haute-Derma.

Smallpox (variola): high fever, deep umbilicated pustules on the face and limbs, pitted scars. How it differs from mpox, and scar care at Haute-Derma.

Mpox (monkeypox): fever, swollen lymph nodes and umbilicated pustules. How Haute-Derma confirms it by PCR, eases pain, and treats scars and dark marks.

Orf, a poxvirus caught from sheep and goats, causes target-like hand nodules that pass through 6 stages. Diagnosis and care at Haute-Derma.

Milker’s nodule: how dairy cattle spread pseudocowpox, the six lesion stages, how it differs from orf and cowpox, and treatment at Haute-Derma.

Molluscum contagiosum: shiny dimpled bumps caused by a poxvirus. How it spreads in children and adults, diagnosis, and gentle removal at Haute-Derma.

HPV infections: common, flat and plantar warts, genital warts and cancer risk. Diagnosis, HPV typing, laser treatment and vaccine advice at Haute-Derma.

Cutaneous warts are rough HPV growths on hands, feet and face. Learn about wart types, dermoscopic diagnosis and combined laser treatment at Haute-Derma.

Epidermodysplasia verruciformis: a rare inherited HPV disorder with flat warts, scaly patches and skin cancer risk. Diagnosis and care at Haute-Derma.

HPV-related squamous cell carcinoma: how HPV drives skin and nail cancer, Bowen disease, p16 and PCR testing, and Mohs surgery or PDT at Haute-Derma.

Anogenital warts (condyloma) are caused by HPV 6 and 11. Signs, diagnosis, CO2 laser and topical treatment, and relapse prevention at Haute-Derma.

Oral warts are HPV growths on the lips, tongue and palate. Learn the types, cancer risk, HPV PCR testing and CO2 laser treatment at Haute-Derma.

Anogenital intraepithelial neoplasia (VIN, AIN, PIN) is an HPV-linked precancer. Learn the signs, diagnosis and tissue-sparing care at Haute-Derma.

Oral and oropharyngeal squamous cell carcinoma: non-healing ulcers, white or red patches, neck lumps, the role of HPV, and screening at Haute-Derma.

Skin signs of HIV and HTLV-1: severe seborrheic dermatitis, oral hairy leukoplakia, Kaposi sarcoma and ATL. How Haute-Derma diagnoses and treats them.

Dengue, Zika and chikungunya rashes compared: key skin signs, warning symptoms, diagnostic tests and care for lingering dark marks at Haute-Derma.

Syphilis stage by stage: painless chancre, rash on palms and soles, latent and tertiary disease. RPR/TPHA testing and penicillin treatment at Haute-Derma.

Chancroid (Haemophilus ducreyi): painful soft genital ulcers, swollen groin nodes, how it differs from syphilis and herpes, PCR testing and treatment at Haute-Derma.

Lymphogranuloma venereum (LGV): painless ulcers, swollen groin nodes, proctitis, PCR genotyping and 21-day doxycycline treatment at Haute-Derma.

Granuloma inguinale (donovanosis): painless, beefy-red genital ulcers that bleed easily. Diagnosis, antibiotic treatment and scar repair at Haute-Derma.

Gonorrhea: urethral discharge, painful urination, often silent in women with infertility risk. PCR testing and CDC-based treatment at Haute-Derma.

Genital mycoplasma infection: persistent urethritis or cervicitis from drug-resistant M. genitalium. PCR testing and sequential therapy at Haute-Derma.

Bacterial vaginosis: thin gray discharge and fishy odor from vaginal dysbiosis, Amsel/Nugent diagnosis, treatment and relapse prevention at Haute-Derma.

Skin signs of HIV and HTLV-1: severe seborrheic dermatitis, oral hairy leukoplakia, Kaposi sarcoma and ATL. How Haute-Derma diagnoses and treats them.

Tình trạng tổn thương và hoại tử tế bào gan do nguyên nhân Virus (phổ biến nhất là virus viêm gan A, B, C), biểu hiện bằng phản ứng viêm cấp hoặc mạn tính có thể dẫn đến xơ gan và ung thư gan.

Leishmaniasis and other protozoan skin infections: painless volcano-like ulcers, mucosal and visceral forms, PCR diagnosis and treatment at Haute-Derma.

Helminthic infections can cause creeping eruption, chronic hives and high eosinophils. Learn about parasite testing and targeted treatment at Haute-Derma.

Cutaneous larva migrans: an itchy, winding red track caused by animal hookworm larvae. Diagnosis and albendazole or ivermectin treatment at Haute-Derma.

Pinworm infection causes intense nighttime anal itching, especially in children. Learn about the tape test, whole-family treatment and hygiene at Haute-Derma.

Lymphatic filariasis: mosquito-borne spread, fever, lymphangitis and elephantiasis, night blood testing, drug treatment and lymphedema skin care at Haute-Derma.

Schistosomiasis explained: swimmer's itch, Katayama fever and chronic skin lesions, plus diagnosis and praziquantel treatment at Haute-Derma.

Strongyloidiasis: fast-moving itchy larva currens rash, lifelong autoinfection, steroid-triggered hyperinfection, testing and ivermectin treatment at Haute-Derma.

Scabies: an intensely itchy rash, worse at night, caused by burrowing mites. Signs, diagnosis, treatment and how to stop it spreading, from Haute-Derma.

Lice (pediculosis): intense itching and nits glued to the hair. How we tell nits from dandruff, treat with dimethicone and stop the spread at Haute-Derma.

Lice (pediculosis): intense itching and nits glued to the hair. How we tell nits from dandruff, treat with dimethicone and stop the spread at Haute-Derma.

Lice (pediculosis): intense itching and nits glued to the hair. How we tell nits from dandruff, treat with dimethicone and stop the spread at Haute-Derma.

Pubic lice (crabs): intense itch, nits on pubic hair and blue-gray spots. Diagnosis, permethrin or ivermectin treatment and STI screening at Haute-Derma.

Lyme disease explained: the bull's-eye rash after a tick bite, symptoms by stage, two-tier testing and antibiotic treatment at Haute-Derma.

Rickettsial infections such as scrub typhus and Rocky Mountain spotted fever: eschar, rash patterns, diagnosis and doxycycline treatment at Haute-Derma.

Ehrlichiosis is a tick-borne infection that causes fever, rash and low blood counts. See how Haute-Derma diagnoses it and treats it with doxycycline.

Anaplasmosis from tick bites: sudden flu-like fever, low white cells and platelets, rare rash, plus testing and doxycycline treatment at Haute-Derma.

Insect, spider, scorpion, tick and centipede bites and stings: itchy bumps, blisters, necrosis, anaphylaxis, first aid and treatment at Haute-Derma.

Spider bites explained: warning signs of skin necrosis, recluse and widow venom effects, first aid, treatment and scar repair at Haute-Derma.

Scorpion stings: how the neurotoxic venom works, severe pain with few skin signs, the 4 severity grades, first aid, and pain-relief care at Haute-Derma.

Tick and mite bites can cause itchy bumps, the Lyme bull's-eye rash or a scrub typhus eschar. Learn safe tick removal and treatment at Haute-Derma.

Centipede bites: severe pain, swelling, blisters and skin necrosis from venom. Hot-water first aid, treatment and scar prevention at Haute-Derma.

Insect bites from mosquitoes, bed bugs and fleas: itchy welts, blisters and infection signs. How Haute-Derma calms the reaction and prevents dark marks.

Insect bites from mosquitoes, bed bugs and fleas: itchy welts, blisters and infection signs. How Haute-Derma calms the reaction and prevents dark marks.

Insect bites from mosquitoes, bed bugs and fleas: itchy welts, blisters and infection signs. How Haute-Derma calms the reaction and prevents dark marks.

Insect bites from mosquitoes, bed bugs and fleas: itchy welts, blisters and infection signs. How Haute-Derma calms the reaction and prevents dark marks.

Insect bites from mosquitoes, bed bugs and fleas: itchy welts, blisters and infection signs. How Haute-Derma calms the reaction and prevents dark marks.

Insect bites from mosquitoes, bed bugs and fleas: itchy welts, blisters and infection signs. How Haute-Derma calms the reaction and prevents dark marks.

Pasteurella multocida infection after cat or dog bites: rapid swelling within hours, tendon sheath infection, the right antibiotics, and care at Haute-Derma.

Staphylococcus intermedius skin infection from dog or cat scratches and bites: pustules, abscesses, MRSP risk and treatment at Haute-Derma.

Capnocytophaga canimorsus infection from dog or cat bites can cause necrotic purpura and sepsis. Risk groups, antibiotics and skin repair at Haute-Derma.

Porphyromonas skin infection: foul-smelling dark pus after bites or in chronic ulcers. Causes, wound debridement and antibiotic care at Haute-Derma.

Cat scratch disease (Bartonella henselae): a bump at the scratch, then tender swollen lymph nodes. Diagnosis, azithromycin and scar care at Haute-Derma.

Plague caused by Yersinia pestis: buboes, skin ulcers, gangrene of the fingers and toes, urgent diagnosis, antibiotics, and skin recovery at Haute-Derma.

Tularemia (rabbit fever) spreads via ticks and wild rabbits, causing a punched-out ulcer and painful swollen nodes. Diagnosis and treatment at Haute-Derma.

Rat-bite fever: high fever, purpuric rash on the palms and soles and joint pain after a rat bite, with diagnosis and antibiotic care at Haute-Derma.

Rabies after animal bites: early warning signs at the bite site, WHO exposure categories, post-exposure prophylaxis and scar repair at Haute-Derma.

Herpes B virus from macaque bites or scratches: blisters at the wound, tingling and risk of encephalomyelitis. Urgent care and prophylaxis at Haute-Derma.

Snakebites: how to spot a venomous bite, swelling, skin necrosis, bleeding and paralysis, correct first aid, and scar repair after necrosis at Haute-Derma.

Seal finger after a seal bite: signs of a painful swollen finger, why penicillins fail, and how Haute-Derma treats this Mycoplasma infection.

Jellyfish stings: how the venom works, symptoms from welts to blisters, first aid with vinegar, and treatment of rashes and dark marks at Haute-Derma.

Sea anemone stings cause intense burning, swollen red welts, blisters and slow-healing ulcers. Learn first aid, treatment and scar care at Haute-Derma.

Coral cuts and stings: why they get infected, Vibrio risk, coral granuloma, correct first aid, antibiotic treatment and scar care from the team at Haute-Derma.

Sponge dermatitis causes burning, red rash, blisters, delayed allergy and granulomas from embedded spicules. First aid and treatment at Haute-Derma.

Sea urchin spine injuries: black-purple puncture marks, intense pain, swelling, granulomas and marine infection. First aid and treatment at Haute-Derma.

Crown-of-thorns starfish stings cause intense pain, swelling and granulomas. Learn hot-water first aid, spine removal and treatment at Haute-Derma.

Sea cucumber dermatitis: burning, blisters and lasting dark marks from holothurin toxin. First aid, treatment and pigment repair at Haute-Derma.

Bristle worm (fireworm) stings: embedded bristles, burning pain, blisters, granulomas and dark marks, plus first aid and treatment at Haute-Derma.

Leech bites: Y-shaped wounds that keep bleeding, itching, Aeromonas infection and granulomas. Safe removal, first aid and treatment at Haute-Derma.

Sea slug and cone snail stings: burning blisters, conotoxin numbness and paralysis, correct first aid, treatment and pigment repair at Haute-Derma.

Octopus bites: slow-healing ulcers from common species and paralysis from blue-ringed octopus venom. First aid, treatment and scar care at Haute-Derma.

Stingray injuries cause deep lacerations, severe pain, necrosis and Vibrio infection risk. Learn first aid, treatment and laser scar repair at Haute-Derma.

Catfish spine injuries: intense pain, swelling, Aeromonas infection and foreign-body granulomas, with first aid, antibiotics and scar care at Haute-Derma.

Scorpionfish stings: intense pain, swelling, tissue necrosis and marine infection. Hot-water first aid, antibiotics, and laser repair of scars and dark marks at Haute-Derma.

A weever fish sting causes intense pain, foot swelling and possible necrosis. Hot-water first aid, infection care and scar treatment at Haute-Derma.

Seafood poisoning can cause flushing, hives, burning itch and cold allodynia. Learn about scombroid, ciguatera, first aid and skin care at Haute-Derma.