Tenofovir disoproxil fumarateINFORMATION ABOUT TENOFOVIR DISOPROXIL FUMARATETenofovir disoproxil fumarate UsesTenofovir disoproxil fumarate is used in the treatment of HIV infection and chronic hepatitis B virus (HBV) infection.How Tenofovir disoproxil fumarate worksTenofovir disoproxil fumarate is an antiviral medication. It prevents the multiplication of virus in human cells. This stops the virus from producing new viruses and clears up your infection.Common side effects of Tenofovir disoproxil fumarateDiarrhea, Nausea, Rash, Weakness, Pain, Stomach pain