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What is psoriatic arthritis?

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Psoriatic arthritis is a form of inflammatory arthritis that can affect some of the millions of Americans who have psoriasis. Psoriasis is a skin disease that causes a red, scaly rash, most commonly over the elbows, knees, ankles, feet, hands, and other areas.

From: Psoriatic Arthritis WebMD Medical Reference

SOURCES:

Arthritis Foundation: "Psoriatic Arthritis."

MedlinePlus Medical Encyclopedia: "Psoriatic Arthritis."

National Institute of Arthritis and Musculoskeletal and Skin Disorders: "Roundtable Discussion on Psoriasis, Psoriatic Arthritis, and Rheumatoid Arthritis."

Reviewed by David Zelman on April 30, 2019

SOURCES:

Arthritis Foundation: "Psoriatic Arthritis."

MedlinePlus Medical Encyclopedia: "Psoriatic Arthritis."

National Institute of Arthritis and Musculoskeletal and Skin Disorders: "Roundtable Discussion on Psoriasis, Psoriatic Arthritis, and Rheumatoid Arthritis."

Reviewed by David Zelman on April 30, 2019

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Are there different types of psoriatic arthritis?

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