Epivir-HBV selectively suppresses replication of HIV-1 and HIV-2 in vitro. Gets into the cells induced by a virus passes into an active form - lamivudine 5 triphosphate which is the weak inhibitor of RNA and DNA-dependent return transcriptase of HIV.

Epivir - antiviral medicine. It is prescribed for treatment of the progressing HIV infection at adults and children, a chronic viral hepatitis B at the background of replication of a virus.

It is used in the treatment of HIV infection in combination with an antiretroviral therapy in adults and children.