Health Encyclopedia

Psoriasis

Psoriasis

Picture of psoriasis on forearm

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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.

By Healthwise Staff
Primary Medical Reviewer Adam Husney, MD - Family Medicine
Specialist Medical Reviewer Amy McMichael, MD - Dermatology
Last Revised January 9, 2012

Last Revised: January 9, 2012

Author: Healthwise Staff

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

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