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A 33-year-old member asked:

does valtrex (valacyclovir) work on flu/viruses?

1 doctor answer4 doctors weighed in
Dr. Joel Gallant
Infectious Disease 36 years experience
Not flu: Valacyclovir (valtrex) only works on certain herpes viruses (mainly herpes simplex and varicella zoster). It has no activity against influenza (flu) virus or other respiratory viruses.

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Last updated Oct 24, 2018

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