Problems from the procedure are rare, but all procedures have some risk. Your doctor will review potential problems, like:
- Infection of the joint
- Bleeding into the joint
- Increased pain
Some factors that may increase the risk of complications include:
- Infections on the skin
- Recent fever or infection
- Bleeding disorder
- Use of blood thinners
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
Edits to original content made by Denver Health.
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a (Joint Aspiration)
Arthritis Foundation http://www.arthritis.org
National Institute of Arthritis and Musculoskeletal and Skin Diseases http://www.niams.nih.gov
The Arthritis Society http://www.arthritis.ca
Canadian Orthopaedic Association http://www.coa-aco.org
Arthritis and rheumatic diseases. National Institute of Arthritis and Musculoskeletal and Skin Diseases website. Available at: http://www.niams.nih.gov/health%5Finfo/Arthritis/arthritis%5Frheumatic.asp. Updated October 2014. Accessed May 11, 2016.
Knee pain treatment. Arthritis Foundation website. Available at: http://www.arthritistoday.org/where-it-hurts/knee-pain/treatment/knee-injection.php. Accessed May 11, 2016.
Synovial fluid analysis. American Association for Clinical Chemistry Lab Tests Online website. Available at: http://labtestsonline.org/understanding/analytes/synovial/tab/glance. Updated October 8, 2014. Accessed May 11, 2016.
Zuber TJ. Knee joint aspiration and injection. Am Fam Physician. 2002;66(8):1497-1501.