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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Can Cause A Cold Sore?

I have a cold, just a simple common cold. My boyfriend kissed me even after I told him he would get sick, well he didn't get sick but now he has a cold sore. Did I cause that? Its kind of concerning me, cause I don't want him to get anymore from well kissing me.
posted on Fri, 17 Apr 2015
Twitter Mon, 4 May 2015 Answered on
Twitter Tue, 5 May 2015 Last reviewed on
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Pediatrician,  's  Response
Hello. I just read through your question.
Typically, cold sores are caused by viruses that lay dormant in the body, sometimes even for years. If he got a cold sore, it is most likley because he has been expoesed to cold sore viruses in the past, and not because he kissed you.
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What Can Cause A Cold Sore?

Hello. I just read through your question. Typically, cold sores are caused by viruses that lay dormant in the body, sometimes even for years. If he got a cold sore, it is most likley because he has been expoesed to cold sore viruses in the past, and not because he kissed you.