Psoriatic arthritis is a long-term condition that causes pain and swelling in the joints. Overtime it can cause be damaging to the joints and cause disability. It is associated with a skin condition called psoriasis, but not everyone that has psoriasis will develop psoriatic arthritis.
Psoriatic arthritis is an autoimmune disease which means the body attacks its own healthy tissue.
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Last reviewedDecember 2012by Michael Woods, MD
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