Adefovir is an antiviral medication. Adefovir prevents viral cells from multiplying in the body and infecting new liver cells. Adefovir is used to treat chronic hepatitis B in people who are 12 years of age or older. Adefovir is not a cure for chronic hepatitis B. Adefovir may also be used for purposes not listed in this medication guide.
Hepsera is an antiviral medication used for the treatment of Chronic Hepatitis B in adults and children over the age of 12. Hepsera is not a cure for Hepatitis B, but rather prevents the virus from infecting new liver cells.