Question: what is a euflexxa injection?
Answer: Last reviewed on RxList 05/25/2017. Euflexxa (1% sodium hyaluronate) is a cartilaginous defect repair agent indicated for the treatment of pain in osteoarthritis (OA) of the knee in patients who have failed to respond adequately to conservative non-pharmacologic therapy and simple analgesics (e.g., acetaminophen).