Psoriasis

Psoriasis plaque on a knee

Psoriasis is a chronic skin condition that causes skin cells to grow too quickly. The result is thick white or red patches of skin. The patches (called plaques) can range in size from small to large. They usually occur on the knees, elbows, scalp, hands, feet, or lower back.

Current as of: October 31, 2019

Author: Healthwise Staff
Medical Review: Adam Husney, MD - Family Medicine
Martin J. Gabica, MD - Family Medicine
Amy McMichael, MD - Dermatology