Psoriatic Arthritis (cont.)
IN THIS ARTICLE
Psoriatic Arthritis Causes
The cause of psoriatic arthritis is not known. It may result from a combination of genetic (family), environmental, and immune factors. About 40% of people with psoriasis or psoriatic arthritis have a close relative with the condition. Sometimes psoriasis may be linked to previous infections.
Medically Reviewed by a Doctor on 10/2/2013
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