The following are some of the FDA approved drugs for chronic hepatitis B. they may have different names in your country: Entecavir (Baraclude ), peginterferon alfa-2a (Pegasys ), Interferon alfa-2b (Intron A ), Lamivudine (Epivir-HBV ) and Adefovir dipivoxil (Hepsera ). These drugs slow down the hepatitis B virus and reduce potential liver damage. In rare cases, they may even get rid of the virus completely.