Knee injections offer minimal relief from arthritis pain
Researchers pooled the findings of 89 studies of the injections, involving 12,667 people with knee arthritis. They calculated the overall effect on pain, painful "flare ups," and knee function. The analysis revealed minor improvements in pain and joint function, but noted a small increase in side effects from the injections, such as sudden pain, feeling of warmth, and swelling of the treated joint.
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