Medically reviewed by Susan Bard, MD Psoriasis is a skin condition that causes skin to appear scaly and inflamed. It occurs ...

Medically reviewed by Brendan Camp, MD Psoriasis is a skin condition that causes red, thick, irritated patches that often ...

Under the NPF classification, psoriasis is considered mild when lesions cover less than 2% of the body surface area (typically on the knees, elbows, scalp, hands, and feet). Topical treatments ...