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Viscosupplementation is an injection of a gel-like fluid called hyaluronic acid. Hyaluronic acid is a naturally occurring substance found in the fluid surrounding the knee joint. Patients with osteoarthritis in the knee joint may have a decreased amount of hyaluronic acid present. Viscosupplementation may improve function and reduce pain.

Before the procedure
  • There is no preparation for a viscosupplementation injection.
What to expect
  • You will first be taken to the office exam room where staff will ask you to sign the consent form, and answer questions about the procedure.
  • The procedure typically takes about 10 minutes.
  • Staff will walk you through all aspects of the procedure as they are happening.
  • You will be allowed to leave immediately post procedure or as determined safe by staff.
After the procedure
  • Rest and limiting strenuous activity for a few days is typically recommended
  • Ice and medications previously used for pain may be used immediately and for the next few days as needed.
  • Pain relief typically occurs 3-10 days post injection. Although you may notice improvement sooner.
  • Multiple injections may be required depending on the type of viscosupplementation used.
  • Follow up with your referring provider to document your response and discuss your treatment plan.