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Why are hyaluronan injections prescribed?

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Hyaluronan injections are most useful in osteoarthritis when the smooth, highly polished surfaces of the joint have become roughened but there’s no significant inflammation. The knee joint is most often injected but you can also have injections in your shoulder, elbow or ankle. Injections into the hip joint are more difficult, so your doctor may use ultrasound.

You’re less likely to be prescribed hyaluronan injections if there’s already inflammation in the joint, or if the damage has been caused by a condition such as rheumatoid arthritis. It has been suggested that the injections may have anti-inflammatory effects and could change the disease process, but more research is needed to confirm this.

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