Picture of psoriasis on forearm

Illustration copyright 2000, 2002 by Nucleus Communications, Inc. All rights reserved.

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

ByHealthwise Staff
Primary Medical ReviewerAdam Husney, MD - Family Medicine
Specialist Medical ReviewerAmy McMichael, MD - Dermatology

Current as ofFebruary 20, 2015

Current as of: February 20, 2015

Author: Healthwise Staff

Medical Review: Adam Husney, MD - Family Medicine & Amy McMichael, MD - Dermatology