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Understanding OA of the Knee     Causes     Disease Progression     Treatment Options

What is osteoarthritis (OA) of the knee?
OA of the knee is a disease in which the knee joint gradually deteriorates in the following ways:
  • The cartilage at ends of bones that form the knee joint begins to wear away
  • The thick fluid that surrounds, lubricates, and protects the knee joint—called synovial (sin-OH-vee-ul) fluid—becomes thinner and loses its ability to cushion and lubricate the joint
What are the common symptoms of OA of the knee?
There are 3 main symptoms that are commonly associated with OA of the knee:
  • Joint pain
  • Stiffness, with limited ability to move the joint
  • Swelling and tenderness around the joint
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Important Treatment Considerations

EUFLEXXA™ (1% sodium hyaluronate) is indicated for the treatment of knee pain due to osteoarthritis (OA). It is used in people who have failed to get adequate pain relief either from simple pain medications, such as acetaminophen, or from exercise and/or physical therapy.

EUFLEXXA should not be used in people who have had any previous allergic reaction to hyaluronate preparations or who have knee joint infections or skin diseases in the area of the injection site.

In a randomized, double-blind, multicenter clinical trial, the only adverse event reported with EUFLEXXA at an incidence greater than 5% was arthralgia (joint pain) (8.75%). Temporary knee pain and swelling may occur after injection with EUFLEXXA.

The safety and effectiveness of injecting EUFLEXXA into the knee together with other injectable medications or into joints other than the knee have not been studied. The safety and effectiveness of treatment cycles of fewer than 3 injections or of repeated treatment cycles with EUFLEXXA have not been established. Strict aseptic technique must be followed to avoid joint infection.

Prescribing Information for Physicians
Important Information for People With OA of the Knee