Arthritis Forum

Full Version: How is psoriatic arthritis diagnosed?
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Psoriatic arthritis is diagnosed through a combination of physical examination, medical history, and diagnostic tests. The following are the steps involved in diagnosing psoriatic arthritis:

  1. Physical examination: Your doctor will examine your joints for swelling, redness, and tenderness, and check for any skin changes associated with psoriasis.
  2. Medical history: Your doctor will ask about your symptoms, family history, and personal medical history.
  3. Laboratory tests: Blood tests may be performed to check for markers of inflammation and to rule out other forms of arthritis.
  4. Imaging tests: X-rays, MRI, or ultrasound may be used to check for joint damage and to evaluate the extent of the disease.
  5. Nail changes: Nail changes, such as pitting or separation of the nail from the nail bed, can be a sign of psoriatic arthritis.
  6. Diagnostic criteria: Your doctor may use diagnostic criteria, such as the ClASsification criteria for Psoriatic arthritis (CASPAR) criteria, to help make a definitive diagnosis.

It is important to see a doctor if you have symptoms of psoriatic arthritis, as early diagnosis and treatment can help slow down the progression of the disease and improve joint function.