A member asked:

What is the sore on the lip with a white center be?

A doctor has provided 1 answer

Cold sore: Cold sores (also called fever blisters.) groups of fluid-filled blisters that often erupt around the lips and sometimes under the nose or around the chin. Cold sores are caused by the herpes simplex virus type 1 and are very contagious. The initial infection (primary herpes) may be confused with a cold or flu and can cause painful lesions to erupt throughout the mouth. Once a person is infected wi.

Answered 9/25/2013

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