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.
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Your doctor may prescribe Tyzeka for the treatment of chronic hepatitis B disease. Hepatitis B is a viral infection of the liver. The disease is often chronic and can last for several years. Hepatitis B virus infects the liver and can cause liver damage over time.
Tyzeka works by incorporating into the genetic material of the hepatitis B virus. By doing so, it prevents viral replication and helps to slow the infections. By slowing viral replication, it gives the immune system the chance to fight the infecftion.
The usual dosage for adults is 600 mg by mouth once daily.
The dose may be adjusted for people with kidney problems.
The active ingredient in Tyzeka is telbivudine.
Tell your doctor and pharmacist if you are taking any of the following drugs prior to starting Tyzeka:
Tell your doctor if you have a history of lactic acidosis before you start this drug as it can increase the risk of developing this condition.
Do not stop taking this drug without first speaking with your doctor.
Tyzeka can increase the risk of myopathy and peripheral neuropathy. Speak with your doctor if you have a history of these conditions.
The most common side effects of this medication include:
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Telbivudine [package insert]. East Hanover, NJ: Novartis Pharmaceuticals Corp; 2013.