Combivir's the brand name for a pharmaceutical treatment for HIV infection. It's a fixed dose combination of two antiretroviral drugs, lamivudine (also called 3TC, with the brand name Epivir) and zidovudine (also called AZT, with the brand name Retrovir). The combination of the two drugs has a stronger and more sustained effect than using either drug alone, and assists in reducing pill burden and in aiding compliance with the antiretroviral drug therapy. Both lamivudine and zidovudine are rever… (More on Combivir)