Generic Kaletra contains a combination of lopinavir and ritonavir. Lopinavir and ritonavir are antiviral medications that prevent human immunodeficiency virus (HIV) cells from multiplying in your body.Lopinavir and ritonavir (Kaletra) is a combination medicine used to treat HIV, which causes the acquired immunodeficiency syndrome (AIDS). This medicine is not a cure for HIV or AIDS.
Generic Norvir is an antiviral medication in a group of HIV medicines called protease inhibitors. It prevents human immunodeficiency virus (HIV) cells from multiplying in your body.