1 doctor weighed in:

I suffer with cold sores. I had sex and gave oral to my partner, I had no cold sore then. 4 days later I've got one. Are we at risk for genital herpes?

1 doctor weighed in
Dr. Richard Zimon
Internal Medicine

In brief: Nope

The virus which causes a cold sore and that which causes genital herpes are different viruses and there is no "cross infection".

In brief: Nope

The virus which causes a cold sore and that which causes genital herpes are different viruses and there is no "cross infection".
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