Vaseline: Or Aquaphor. Are you sure it is a "cold sore"? If it is, it will heal in 1 or 2 weeks. Keep it lubricated to reduce pain and enhance healing. None of the topicals are worth much. If you get these, you can reduce the frequency by frequent application of sunscreen chapstick. The pills require prescription. They are safe. They are effective if taken as a single dose at the very first symptom or as a
Answered 1/24/2015
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