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A 46-year-old member asked:

How long does valacyclovir take to work?

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Dr. Jerome Litt
Dermatology 71 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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