This drug is used with other HIV medications to help control HIV infection. It helps to decrease the amount of HIV in your body so your immune system can work better. This lowers your chance of getting HIV complications (such as new infections, cancer) and improves your quality of life. Zidovudine belongs to a class of drugs known as nucleoside reverse transcriptase inhibitors-NRTIs.
Zidovudine is used in pregnant women to prevent passing the HIV virus to the unborn baby. This medication is also used in newborns born to mothers infected with HIV to prevent infection in the newborns.