The present invention is directed to a method for treating hepatitis B virus infection in humans comprising administering a synergistically effective amount of agents having known anti-hepatitis B virus activity in combination or alternation. Specifically, the invention is directed to a method for treating hepatitis B virus infection comprising administering FTC in combination or alternation with penciclovir, famciclovir or Bis-POM-PMEA. Additionally, the invention is directed to a method for treating hepatitis B virus infection comprising administering L-FMAU in combination or alternation with DAPD, penciclovir or Bis-POM-PMEA. The invention is further directed to a method for treating hepatitis B virus infection comprising administering DAPD in combination or alternation with Bis-POM-PMEA.