<unk> , sold under the brand name Reyataz among others, is an antiretroviral medication used to treat HIV/AIDS. It is generally recommended for use with other antiretrovirals. It may be used for prevention after a needlestick injury or other potential exposure (postexposure prophylaxis (PEP)). It is taken by mouth once a day. Common side effects include headache, nausea, yellowish skin, abdominal pain, trouble sleeping, and fever. Severe side effects include rashes such as erythema multiforme and high blood sugar.<unk>  appears to be safe to use during pregnancy. It is of the protease inhibitor (PI) class and works by blocking HIV protease.<unk>  was approved for medical use in the United States in 2003. It is on the World Health Organization's List of Essential Medicines. As of 2017 there is a generic version available in the United States manufactured by Teva Pharmaceuticals
Atazanavir
Saquinavir
Indinavir
Ritonavir
Fosamprenavir
Entecavir
Coronavir
Abacavir