Research Area: Infection Biological Activity: Famciclovir(Famvir) is a guanine analogue antiviral drug used for the treatment of various herpesvirus infections, most commonly for herpes zoster (shingles). It is a prodrug form of penciclovir with improved oral bioavailability. Use of Famciclovir in this manner, known as post-exposure prophylaxis, has been shown to reduce the amount of latent virus in the neural ganglia. [1][2] |