Lopinavir + RitonaviRitonateris LP is used to help control HIV infection. Ritonateris LP helps to decrease the amount of HIV in your body so your immune system can work better. Ritonateris LP lowers your chance of getting HIV complications (such as new infections, cancer) and improves your quality of life. Ritonateris LP is a combination of Lopinavir + Ritonavir. Ritonateris LP in a class of medications called protease inhibitors. Ritonateris LP tablets is an antiretroviral product.