What are the possible adverse effects of hyaluronic acid (HA) for the treatment of osteoarthritis (OA)?

Updated: Jun 10, 2020
  • Author: Carlos J Lozada, MD; Chief Editor: Herbert S Diamond, MD  more...
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Answer

The HA class in general has demonstrated a very favorable safety profile for chronic pain management in knee osteoarthritis, with the most common adverse event being injection-site pain. Although any intra-articular injection (whether of HAs or of steroids) may elicit an inflammatory response and possible effusion, only the cross-linked hylan G-F 20 product has been associated with a clinically distinct acute inflammatory side effect (ie, severe acute inflammatory reaction [SAIR] or HA-associated intra-articular pseudosepsis).


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