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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.
Apixaban is used to prevent blood clots for people who have had total hip replacement or knee replacement surgery.
Apixaban is also used to prevent stroke or blood clots in people with atrial fibrillation (a type of abnormal heart rhythm).
For knee replacement surgery or hip replacement surgery, the usual dose of apixaban is 2.5 mg twice daily (once in the morning and once in the evening, about 12 hours apart). The first dose is usually taken 12 to 24 hours after surgery. For hip surgery, treatment will usually continue for up to 38 days. For knee surgery, treatment will usually continue for up to 14 days.
For stroke and clot prevention in people with atrial fibrillation, the usual dose is 5 mg twice daily (once in the morning and once in the evening, about 12 hours apart).