Picture of psoriasis on forearm

Illustration copyright 2000, 2002 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

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 Reviewer Adam Husney, MD - Family Medicine
Specialist Medical Reviewer Amy McMichael, MD - Dermatology

Current as ofMarch 12, 2014

Current as of: March 12, 2014

Author: Healthwise Staff

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