Diagnosis of Gout

Your doctor will ask about your symptoms and medical history. A physical exam will be done. Gout can be difficult to diagnose. The symptoms are often similar to those of other conditions. If gout is suspected, tests may include:

Arthrocentesis (Joint Aspiration)—A needle is inserted into a joint and fluid is withdrawn with a syringe. This is usually performed using local anesthesia. The fluid is then checked under a microscope for uric acid crystals and signs of inflammation. In nearly all cases of gout, uric acid crystals are present.

Blood and Urine Tests —These tests assess kidney function and measure the amount of uric acid in your blood and urine. However, uric acid levels can often be normal during a gout attack.

Imaging tests to evaluate the joint and surrounding structures include:

Revision Information

  • Gout. American College of Rheumatology website. Available at: http://www.rheumatology.org/Practice/Clinical/Patients/Diseases%5FAnd%5FConditions/Gout. Updated September 2012. Accessed July 12, 2013.

  • Gout. Arthritis Foundation website. Available at: http://www.arthritis.org/conditions-treatments/disease-center/gout. Accessed July 12, 2013.

  • Gout. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated February 13, 2013. Accessed July 12, 2013.

  • Gout overview. American Academy of Family Physicians Family Doctor website. Available at: http://familydoctor.org/familydoctor/en/diseases-conditions/gout.html. Updated March 2010. Accessed July 12, 2013.

  • Questions and answers about gout. National Institute of Arthritis and Musculoskeletal and Skin Diseases website. Available at: http://www.niams.nih.gov/Health%5FInfo/Gout/default.asp. Accessed July 12, 2013.

  • What is gout? National Institute of Arthritis and Musculoskeletal and Skin Diseases website. Available at: http://www.niams.nih.gov/Health%5FInfo/Gout/gout%5Fff.pdf. Accessed July 12, 2013.

  • 4/24/2014 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: Wise JN, Weissman BN, et al. American College of Radiology (ACR) Appropriateness Criteria for chronic foot pain. Available at: http://www.acr.org/~/media/ACR/Documents/AppCriteria/Diagnostic/ChronicFootPain.pdf. Updated 2013. Accessed April 24, 2014.