Lamivudine is an antiviral medicine that prevents human immunodeficiency virus (HIV) or hepatitis B virus from multiplying in your body.
Epivir is for treating HIV, the virus that can cause acquired immunodeficiency syndrome (AIDS). Epivir is not a cure for HIV or AIDS.
Epivir-HBV is for treating hepatitis B. Epivir-HBV should not be used in people who are infected with both hepatitis B and HIV.
Lamivudine may also be used for purposes not listed in this medication guide.