1 doctor weighed in:

About how long does it take for a coldsore scab to come off?

1 doctor weighed in
Dr. Michael Green
Dentistry

In brief: 7-19 days

Cold sores generally run their course in 7-10 days! zovirax or Valtrex (valacyclovir) can cut the duration in half!

In brief: 7-19 days

Cold sores generally run their course in 7-10 days! zovirax or Valtrex (valacyclovir) can cut the duration in half!
Dr. Michael Green
Dr. Michael Green
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