A member asked:

It's been 4 wks since a herpes blister appeared on my upper lip. the blister is gone but redness remains. how contagious is my outbreak still?

5 doctors weighed in across 3 answers
Dr. Leila Hashemi answered

Specializes in Internal Medicine

Oral herpes: Hi, if the blister is completely crusted then there is no risk of being contagious anymore.

Answered 8/11/2014

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Should be okay: The virus is at it's most contagious while you have the blister, about 7-10 days. The redness may be some scarring and it should not be contagious.

Answered 8/10/2014

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Still contagious: Even without the blisters, the herpes virus can always be contagious, although it is most contagious immediately before an active outbreak of blisters.

Answered 8/10/2014

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