A member asked:

I have a rash/cold sore followed with a black spot in my left upper lip what could it be ?

A doctor has provided 1 answer
Dr. Paul Grin answered

Specializes in Pain Management

Last stage: It is a last stage of a cold sore. At this stage your cold sore dries out and brown, red or black crust appears, forming a scab. In a day or two the scab shrinks you may experience itching and light pain. Rec.: if concerned, see your dentist for further evaluation.

Answered 4/7/2014

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