Ritonavir
（重定向自Norvir）
![](/Images/godic/202501/30/Ritonavir_structure.svg5556.png")
![](/Images/godic/202501/30/Ritonavir_ball-and-stick5556.png")
![Ritonavir (center) bound to the active site of HIV protease.](/Images/godic/202501/30/HIV_protesase_with_ritonavir5556.png")
![HIV deaths in the United States fell from approximately 50,000 per year to 18,000 in the two years following the FDA approval of ritonavir[14]](/Images/godic/202501/30/HIV_new_infections_and_deaths_1981-20085557.jpg")
Ritonavir, sold under the trade name Norvir, is an antiretroviral medication used along with other medications to treat HIV/AIDS This combination treatment is known as highly active antiretroviral therapy (HAART). Often a low dose is used with other protease inhibitors. It may also be used in combination with other medications for hepatitis C. It is taken by mouth.