Zidovudine Tablets IP contain the active ingredient zidovudine, which is a medication used in the treatment of HIV infection. It works by inhibiting the activity of an enzyme called reverse transcriptase, which is essential for the replication of the HIV virus. Zidovudine is typically used as part of combination therapy for the treatment of HIV infection. This belongs to a class of drugs called nucleoside reverse transcriptase inhibitors (NRTIs). Zidovudine Tablets IP is often used in combination with other antiretroviral medications to create a highly active antiretroviral therapy (HAART) regimen.