Answers by TheMediTary.Com - Last updated: 12-Jul-2023
Valacyclovir (Valtrex) and acyclovir (Zovirax) are antiviral drugs that work by interfering with viral DNA replication. Both drugs target the same viruses but valacyclovir provides longer duration of action, therefore, doses can be taken fewer times every day - this is the only real advantage.
For more information read: https://www.drugs.com/compare/valacyclovir-vs-zovirax