What would be the benefits of taking valacyclovir vs acyclovir?
The patient is 82 years old and has had shingles for three days.
Medically reviewed by Drugs.com Last updated on Nov 20, 2018.
Official Answerby Drugs.com
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.
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