Adefovir is a prescription medicine used to treat (chronic) infections with hepatitis B virus. Adefovir was previously called bis-POM PMEA, with trade names Preveon and Hepsera. It is an orally-administered nucleotide analog reverse transcriptase inhibitor (ntRTI). It can be formulated as the pivoxil prodrug adefovir dipivoxil. ==Uses== It is used...