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A 46-year-old member asked:

How long does valacyclovir take to work?

1 doctor answer2 doctors weighed in
Dr. Jerome Litt
Dermatology 73 years experience
Valacyclovir TO WORK: How long does it take valacyclovir to work? For what? Cold sores? Genital herpes? Shingles (herpes zoster)? It varies with the disease, with the length of time you had it, and how severe it is. Ask your dermatologist.
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Last updated Jan 14, 2019
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