<unk>  (ETV), sold under the brand name Baraclude, is an antiviral medication used in the treatment of hepatitis B virus (HBV) infection. In those with both HIV/AIDS and HBV antiretroviral medication should also be used.<unk>  is taken by mouth as a tablet or solution. Common side effects include headache, nausea, high blood sugar, and decreased kidney function. Severe side effects include enlargement of the liver, high blood lactate levels, and liver inflammation if the medication is stopped. While there appears to be no harm from use during pregnancy, this use has not been well studied.<unk>  is in the nucleoside reverse transcriptase inhibitors (NRTIs) family of medications. It prevents the hepatitis B virus from multiplying by blocking reverse transcriptase.<unk>  was approved for medical use in 2005. It is on the World Health Organization's List of Essential Medicines. In the United States, , it is not available as a generic medication.
Entecavir
Saquinavir
Fosamprenavir
Coronavir
Abacavir
Indinavir
Fostemsavir
Tipranavir