A member asked:

How is a cold sore and herpes different?

A doctor has provided 1 answer

Same: If you mean a "fever blister" or "cold sore" that you get on your lip, then these are caused by the herpes virus (usually herpes simplex virus, type 1, or hsv-1). This is related to the herpes virus that is typically associated with genital herpes (hsv-ii).

Answered 12/28/2013

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