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A member asked:
Is a cold sore on the lip still contagious after it has scabbed over? i have also taken valtrex (valacyclovir)
5 doctors weighed in across 2 answers
Still contagious: Even it has scabbed over, the herpes virus can always be contagious, although it is most contagious immediately before an active outbreak of blisters. Less contagious if it is scabbed comparing to blisters.
Answered 2/24/2018
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No: once it is scabbed over you should not be contagious.
Answered 7/29/2018
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Scheduled for a colonoscopy Monday. Have to prep tomorrow . Feel a cold sore coming on,on my mouth. Ok to take valtrex (valacyclovir) tonite and tomorrow ?
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Have had painful sore on tip of tongue for 10 days, now feel tingling on upper lip. If this is hsv1 is it too late for Valtrex (valacyclovir) to prevent new blister?
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I had a cold sore that was treated w/valtrex & cured with in 4 days On the 5 day I still had a very small scab barely visible. Is it still contagious?
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