Zerit - treatment of infection caused by HIV, with severe clinical manifestations and ineffectiveness or intolerance of zidovudine, and other antiretroviral drugs. The nucleoside analogue of thymidine is phosphorylated by cellular enzymes to its active form - stavudine triphosphate. Suppresses reverse transcriptase of HIV, cellular DNA polymerases (beta and gamma), inhibits the synthesis of viral and mitochondrial DNA. It is active against HIV-1.

Kaletra is FDA approved for the treatment of HIV-1 infection in adult and pediatric patients. Kaletra is a combination of two medications, lopinavir and ritonavir, and is now available in generic.