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How is psoriatic arthritis diagnosed?

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An accurate and early diagnosis of psoriatic arthritis will help you avoid the damage and deformity it can cause. Your doctor will make a decision based on:

No single thing will diagnose psoriatic arthritis, but blood tests, imaging, and other tests can help your doctor. He or she may want to give you certain tests that check for rheumatoid arthritis, because it can look a lot like psoriatic arthritis.

  • Your symptoms
  • A physical exam
  • Your medical history and your family's
  • Lab tests

SOURCES: Arthritis Foundation: "Psoriatic Arthritis: What are the effects?" American College of Rheumatology: "Psoriatic Arthritis."

Reviewed by David Zelman on April 29, 2019

SOURCES: Arthritis Foundation: "Psoriatic Arthritis: What are the effects?" American College of Rheumatology: "Psoriatic Arthritis."

Reviewed by David Zelman on April 29, 2019

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