Disease A-Z Library

Rx Dermatology, Skin Disease, and Allergy

Browse plain-English disease and condition guides, including symptoms, causes, diagnosis, treatment options, prevention, and when to seek medical care.

247 articlesUpdated medical education library

Diseases A-Z

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Disease A-Z Library

Cutis Verticis Gyrata

Cutis verticis gyrata is a rare skin condition of the scalp where the skin becomes thick and forms deep folds and grooves that look like the...

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Disease A-Z Library

Pediatric Melanoma

Pediatric melanoma (also called childhood melanoma) is a cancer that starts in the pigment-making cells (melanocytes) of a child’s skin, eye, or very rarely inside the...

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Disease A-Z Library

Childhood Malignant Melanoma

Childhood malignant melanoma is a type of skin cancer that starts in pigment-making cells called melanocytes in a child or teenager. These cells give skin, hair,...

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Disease A-Z Library

Chilblain Lupus

Chilblain lupus is a rare type of lupus that mainly affects the skin of the fingers, toes, ears and nose. It causes red-purple, swollen, painful patches...

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Disease A-Z Library

Skin Ulcus Molle

Skin ulcus molle is the old Latin name for chancroid, also called soft chancre. It is a bacterial sexually transmitted infection (STI) that causes painful, soft...

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Disease A-Z Library

Hypertrichosis

Hypertrichosis is a condition where a person has too much hair growth compared with what is normal for their age, sex and ethnic group, and the...

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Disease A-Z Library

Bullous Impetigo

Bullous impetigo is a fast-spreading bacterial skin infection that makes large, fragile blisters filled with clear or yellow fluid. These blisters break easily and leave moist,...

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CYLD Cutaneous Syndrome

CYLD cutaneous syndrome (CCS) is a rare inherited condition in which people develop many small skin tumors—most often cylindromas, spiradenomas, and trichoepitheliomas—that start in the hair-follicle...

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Mucosynechia Atrophic Bullous Dermatitis

Mucosynechia atrophic bullous dermatitis that phrase is considered an old synonym for mucous membrane pemphigoid (MMP), also called cicatricial pemphigoid—a rare autoimmune blistering disease that mainly...

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Disease A-Z Library

Ichthyosiform Erythroderma

Ichthyosiform erythroderma means the skin is red all over and covered with dry, scaling patches that look like fish scales. “Ichthyosiform” means “fish-scale-like,” and “erythroderma” means...

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