A member asked:

I found one on my lip this morning, when the night before i gave my boyfriend oral sex. he bites during kissing, is it just a swollen lip or cold sore?

A doctor has provided 1 answer

Cold sore: A cold spree tends to have a characteristic appearance with multiple tiny fluid filled blisters clumped together whereas a puncture wound tends to be more of a single penetrating injury.

Answered 4/9/2013

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