Don't know. Don't know about abreva, but a dental laser can be used to shorten the life of the cold sores and may stop them from returning to the same tissue area.
Shortens the healing. A cold sore generally takes 14 days to run its course. Once the vesicles have popped, and the crusty scab has formed, there isn't a lot one can do to speed the process. Using the abreva topical cream can shorten the healing by a few days. If the cold sore is discovered in the prodrome, your dentist can prescribe an antiviral such as Valtrex (valacyclovir) in combination with topical creams to prevent outbreaks.
It helps . You should see your dermatologist for the best treatment. Read more...