A member asked:

How long does valacyclovir take to work?

A doctor has provided 1 answer
Dr. Jerome Litt answered

Specializes in Dermatology

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.

Answered 1/14/2019

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