<unk>  <unk> , sold under the brand names Invirase and Fortovase, is an antiretroviral drug used together with other medications to treat or prevent HIV/AIDS. Typically it is used with ritonavir or lopinavir/ritonavir to increase its effect. It is taken by mouth. Common side effects include nausea, vomiting, diarrhea, and feeling tired. More serious side effects include problems with QT prolongation, heart block, high blood lipids, and liver problems. It appears to be safe in pregnancy. It is in the protease inhibitor class and works by blocking the HIV protease.<unk>  was patented in 1988 and first sold in 1995.
Saquinavir
Fosamprenavir
Indinavir
Entecavir
Coronavir
Abacavir
Amprenavir
Fostemsavir