<unk>  (ATV/r) is a fixed-dose combination antiretroviral medication used in the treatment of HIV/AIDS. It combines<unk>  and ritonavir. It may be used instead of lopinavir/ritonavir. It is taken by mouth. Side effects are generally minimal. They may include abdominal pain, diarrhea, yellowish skin, muscle pains, and headache. Greater care should be taken in people with underlying liver problems. Use in pregnancy appears to be safe. In the combination<unk>  functions as a protease inhibitor and ritonavir functions to increase levels of<unk> . The combination was approved for use in India in 2012, and is pending approval in the United States . It is on the World Health Organization's List of Essential Medicines.
Atazanavir/ritonavir
Atazanavir/cobicistat
Abacavir/lamivudine
Darunavir/cobicistat
Lamivudine/tenofovir
Lopinavir/ritonavir
Nirmatrelvir/ritonavir
Lamivudine/zidovudine