Tenofovir is an antiviral medicine that prevents human immunodeficiency virus (HIV) or hepatitis B from multiplying in your body.
Tenofovir is used to treat HIV, the virus that can cause acquired immunodeficiency syndrome (AIDS). Tenofovir is not a cure for HIV or AIDS.
Tenofovir is also used to treat chronic hepatitis B.
Tenofovir may also be used for purposes not listed in this medication guide.