A member asked:

How can i know if i have a cold sore in the middle of my upper lip but it doesn't really look like one?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Cold sores: 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). Tingling ;/or pain can herald the oncoming of cold sore 1 to 2 days prior to eruption. If uncertain - your doctor can determine.

Answered 2/5/2014

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