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What does psoriatic arthritis cause?

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Psoriatic arthritis causes inflammation in your joints. It happens because your immune system is overactive. It affects mostly people who have psoriasis, a skin disease that's also related to the immune system. Sometimes doctors misdiagnose it as gout, rheumatoid arthritis, or osteoarthritis.

SOURCES: National Psoriasis Foundation. Arthritis Foundation. American College of Rheumatology. WebMD Medical Reference "Psoriasis."

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SOURCES: National Psoriasis Foundation. Arthritis Foundation. American College of Rheumatology. WebMD Medical Reference "Psoriasis."

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How is psoriatic arthritis managed?

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