A member asked:

How likely is it i spread a cold sore aprox 12-15 hours before a sore gives symptoms and appears by oral sex?

2 doctors weighed in across 2 answers

High: You are shedding virus before the sore appears and can spread it.

Answered 8/22/2014

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Likely.: if you have herpes you can spread it even if you have no sores or symptoms.

Answered 10/4/2016

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