A member asked:

Herpes blisters worsened after 3 days called doc she gave me acyclovir it's been 2days on the meds when while blisters go away?

A doctor has provided 1 answer
Dr. Glynis Ablon answered

Specializes in Dermatology

Once blisters start: can typically take 7-10 days, orals work best if started when prodrome of burning, itching, pain starts, so keep some of those pills at home when symptoms start again. Orals, once blisters have started, shorten course by only 1-3 days

Answered 7/20/2014

3.9k views

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