There are lamivudine tablets are a prescription drug. It comes as an oral tablet and an oral solution. Lamivudine is used to treat two different viral infections: HIV and hepatitis B (HBV). Lamivudine doesnt cure infection with HIV or HBV. However, it helps slow the progression of these diseases by limiting the ability of the viruses to replicate (make copies of themselves). When lamivudine is used on its own to treat HIV, it can lead to drug resistance. Lamivudine tablets are made for medical uses.