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A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.
TriVisc is a product that is injected into your knees to treat knee pain from joint inflammation and stiffness due to a disease known as osteoarthritis (OA). TriVisc is from a class of products known as hyaluronic acid, sodium hyaluronate, or hyaluronan (HA), which is also referred to as viscosupplementation therapy. It’s used in a nonsurgical procedure that helps supplement the viscous properties of the fluid in your knee joint. TriVisc is approved for patients who have not adequately responded or have failed to find sufficient relief from simple analgesics, exercise or physical therapy.
TriVisc is administered by intra-articular injection. Intra-articular means your healthcare professional will insert a needle into the space in your knee joint that contains fluid used for lubrication and cushioning.
Some side effects may occur during the use of TriVisc, with symptoms such as knee pain, inflammation, reddening, swelling appearing at the injection site and/or joint pain. Tell your healthcare provider if you experience any side effects after treatment of TriVisc.