3 doctors weighed in:

Mouth herpes-- how long does valacyclovir take to work?

3 doctors weighed in
Dr. Valentin Drezaliu
Obstetrics & Gynecology
2 doctors agree

In brief: 1 day

You should start feeling better within 1 day if you took it properly( at the onset of symptoms).

In brief: 1 day

You should start feeling better within 1 day if you took it properly( at the onset of symptoms).
Dr. Valentin Drezaliu
Dr. Valentin Drezaliu
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Dr. Dennis Higginbotham
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