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What are the side effects of viscosupplement injections?

Keith Roach, MD
Internal Medicine
A small percentage of people -- between 1-5% depending on the study -- will have some side effects with viscosupplement injections. Acute reactions may include redness at the injection site, swelling and increased joint pain. Fortunately these reactions don't happen very often.
Dr. Vonda Wright, MD
Orthopedic Surgery
Side effects of viscosupplement injections are relatively rare. Depending on the type of injection, there is a small risk of a pseudo-septic reaction: pain, redness and inflammation that appears to be an infection but isn't. There is also a small risk of joint infection, not because of the treatment itself but because of the way the shot was given. It's important to use a clinician with a lot of experience giving injections. 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.