A member asked:

Help docs! i'm trying to find out what causes cold sores and how do you prevent them?

A doctor has provided 1 answer

Virus: Cols sores are a result of a herpes virus infection of the skin in the area. They can erupt during times of stress or when there is any other irritation of the lips and mouth. There are a number of otc medications that can shorten the duration of outbreaks.

Answered 1/5/2014

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