Not a ton: If you have had cold sores in the past you have the herpes simplex virus already so probably not a concern. If not, it could be unpleasant. You can see if your primary doctor can give you an antiviral like Valtrex (valacyclovir) or similar preemptively (start asap if so) though i haven't heard of this being given. Great advice here: http://umm.Edu/health/medical/altmed/condition/herpes-simplex-virus.
Answered 10/24/2017
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3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
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A doctor has provided 1 answer
A doctor has provided 1 answer
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