A member asked:

How long does it take for a cold sore to go away on the lip? and what can i get for it?

5 doctors weighed in across 4 answers
Dr. Milroy Samuel answered

Specializes in Obstetrics and Gynecology

Days: It can take several days. Zovirax (acyclovir) cream is helpful.

Answered 11/28/2017

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Dr. Stephen Richards answered

Specializes in Obstetrics & Gynecology

Cold sore: Most cold sores are due to a herpes virus. This can be verified with your doctor. Over the counter abreva has some benefit. If it is a herpes virus, several antivirals could be prescribed. It will usually last 5-7 days to heal.

Answered 1/14/2013

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5-10 days: Topicals are a waste of $. Pills for herpes are prescriptions but have no side effects. I favor a single dose of valacyclovir 2 gram as soon as you feel the first tingling before the blister. This shortens the healing. If you are going to a wedding & expect to kiss a lot of people, take 1 pill a day for a week before so you can be sure to go without a sore on your lip.

Answered 4/4/2013

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Forget it: No cream makes a significant difference. Valacyclovir pill is very effective if taken at the first tingling before the blister. After 2 days it makes no difference what you do: it will heal in 5-10 days.

Answered 1/14/2013

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