- Guide to PHARMACOLOGY
Synonyms: 256U87 HCl | valacyclovir hydrochloride (monohydrate) | Valtrex® | Zelitrex®
valacyclovir is an approved drug (FDA (1995, prior history not available))
Compound class: Synthetic organic
Comment: Valacyclovir s an esterified prodrug, which is converted to aciclovir in vivo. Esterification increases the oral bioavailability of the prodrug compared to the parent molecule.