Precursor to metabolite: Valacyclovir to Acyclovir

Valacyclovir is converted to Acyclovir by valacyclovirase.

Valacyclovir mascot — mnemonic cartoon — Visual mnemonic: Valacyclovir mascot

Acyclovir mascot — mnemonic cartoon — Visual mnemonic: Acyclovir mascot

The pair

Valacyclovir — Oral prodrug of acyclovir with better absorption for herpes and shingles.
Acyclovir — Guanosine-analog antiviral for herpes; activated by viral thymidine kinase.

Valacyclovir · Acyclovir · Open Valacyclovir in the interactive console ↗