Each carton contains 56 tablets. FAMVIR 125 - contain 125 mg famciclovir per tablet FAMVIR 250 - contain 250 mg famciclovir per tablet. FAMVIR 500 - contain 500 mg famciclovir per tablet.
healthcare providers may prescribe antivirals like Zovirax (Acyclovir), Valtrex (Valacyclovir), or Famvir (Famciclovir) to help shorten and decrease chickenpox symptoms. Antivirals work best if ...