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10 Things to Know About Psoriatic Arthritis

When you have psoriasis, your body's immune system revs up to battle the skin disease. But sometimes the cells that fight psoriasis turn on your joints instead. The resulting condition, called psoriatic arthritis, causes joint pain and redness, swelling, and trouble moving. Prompt treatment can prevent lasting joint damage.


Medically Reviewed By: William C. Lloyd III, MD, FACS

Last Annual Review Date: Dec. 15, 2013

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Psoriatic arthritis occurs equally in both sexes, and tends to come on about 10 years after the original diagnosis of psoriasis.