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Lamivudine

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IMPORTANT WARNING:

Lamivudine, when used alone or in combination with other antiviral medications, can cause serious damage to the liver and a condition called lactic acidosis. If you experience any of the following symptoms, call your doctor immediately: upset stomach, loss of appetite, excessive tiredness, weakness, dark yellow or brown urine, unusual bleeding or bruising, flu-like symptoms, yellowing of the skin or eyes, and pain in the upper right part of your stomach. Keep all appointments with your doctor and the laboratory. Your doctor will order certain lab tests to check your response to lamivudine.

Epivir tablets and liquid (used to treat human immunodeficiency virus HIV) are not interchangeable with Epivir-HBV tablets and liquid (used to treat hepatitis B infection). Epivir contains a higher dose of lamivudine than Epivir-HBV. Treatment with Epivir-HBV in patients infected with HIV may cause the HIV virus to be less treatable with lamivudine and other medicines. If you have both HIV and hepatitis B, you should take only Epivir. If you are taking Epivir-HBV for hepatitis B infection, talk to your doctor about your risks for HIV infection.

Why is this medication prescribed?

Lamivudine (Epivir) is used in combination with other medications to treat human immunodeficiency virus (HIV) infection in patients with acquired immunodeficiency syndrome (AIDS). Lamivudine is not a cure and may not decrease the number of HIV-related illnesses. Lamivudine does not prevent the spread of HIV to other people. Lamivudine (Epivir-HBV) is used to treat hepatitis B infection. Lamivudine is in a class of medications called nucleoside reverse transcriptase inhibitors. It works by stopping the spread of the HIV and hepatitis B viruses.

How should this medicine be used?

Lamivudine comes as a tablet and liquid to take by mouth. Lamivudine (Epivir) is usually taken every 12 hours (twice a day). Lamivudine (Epivir-HBV) is usually taken once a day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take lamivudine exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

Continue to take lamivudine even if you feel well. Do not stop taking lamivudine without talking to your doctor.

Other uses for this medicine

Lamivudine is also used sometimes in combination with zidovudine (Retrovir, AZT) to treat health-care workers or other individuals exposed to HIV infection after accidental contact with HIV-contaminated blood, tissues, or other body fluids. Talk to your doctor about the possible risks of using this drug for your condition.

This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.

What storage conditions are needed for this medicine?

Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). The liquid does not need to be refrigerated; however, it should be stored in a cool place. Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.

In case of emergency/overdose

In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.

What other information should I know?

Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.

Brand names

Epivir®

Epivir-HBV®

Brand names of combination products

Combivir® (containing Lamivudine and Zidovudine)
Epzicom® (containing Lamivudine and Abacavir Sulfate)

Trizivir® (containing Lamivudine, Abacavir Sulfate, and Zidovudine)

Other names

Notes:

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EditText of this page (last edited December 1, 2009)