Pathophysiology

Hair, nails, and skin conditions.

Merck Manual for Health Professionals.

Merck Manual for Health Professionals. Description of Skin Lesions - Diagnostic Tests for Skin Disorders - Itching - Urticaria - Skin Manifestations of Internal Disease

Educational information about psoriasis.

Links to short articles on many skin conditions from Medline Plus.

Education Portal. Causes, Symptoms & Treatments

Topics include plaque psoriasis, the most common type of the disorder, as well as psoriatic arthritis, at-risk populations, genetic components, T-cell abnormalities, and psoriasis-related conditions. Specific therapies highlighted in the program include topical corticosteroids, UV light, and biologics.