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]

Overview

The exact etiology of psoriatic arthritis is not known. Genetics, environmental factors, and immune mechanisms act as triggers for the disease development and progression.

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.