Herpes Simplex: A sun blister not due just to a second degree burn represents an outbreak of herpes. Medication such as Acyclovir and Valtrex (valacyclovir) at the first sign or prodrome such as tingling may significantly reduce the healing time. Using the medication in the anticipation of the outbreak may prevent the outbreak completely.
Answered 2/18/2015
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Cold sore medicien: Any of the over-the-counter "cold sore" medications and time. No quick fix. Next time use spf block.
Answered 7/8/2019
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