Therapy for herpes viral infections (HSV) and varicella-zoster infections (VZV)
May diminish the efficacy of zoster live or varicella vaccine
More convenient dosing than oral acyclovir
Antimicrobial class: Antiviral, nucleoside analogue
Pregnancy category: B
Average serum half life: 3 hours
Comments: Prodrug of acyclovir. Rapidly converted from valacyclovir to acyclovir