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