Lopinavir/ritonavir (LPV/r), sold under the brand name Kaletra among others, is a fixed-dose combination antiretroviral medication for the treatment and prevention of HIV/AIDS.[2] It combines lopinavir with a low dose of ritonavir.[2] It is generally recommended for use with other antiretrovirals.[2] It may be used for prevention after a needlestick injury or other potential exposure.[2] It is taken by mouth as a tablet, capsule, or solution.[2]
Common side effects include diarrhea, vomiting, feeling tired, headaches, and muscle pains.[2] Severe side effects may include