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A member asked:
Does a red patch on your lip mean it's a cold sore?
A doctor has provided 1 answer
Not necessarily.: Cold sores are painful liquid filled blisters that can occur on the lips, roof of the mouth or the gums which are caused by the herpes simplex virus (hsv-1). If you are uncertain about the lesion, your physician or a dermatologist could help to identify it.
Answered 5/26/2013
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