Psoriatic arthritis causes

Psoriatic arthritis Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Chandrakala Yannam, MD [2]

Causes

There are no established causes of psoriatic arthritis. The occurrence of psoriatic arthritis is secondary to a combination of genes, immune mechanisms and exposure to specific external factors or triggers, which increase an individual's risk of developing psoriatic arthritis. These risk factors lead to complex interactions between the genetics, immune system, and the environment.