A member asked:

Bump on lip is grey-ish \u0026 have been there for almost 3wks, seemed to be going away at first, how long does cold sore last?

A doctor has provided 1 answer
Dr. Charles Lockhart answered

Specializes in Dentistry

7-10 days: Cold sore is a virus that is stored in anyone who has had chicken pox. Usually resolves in 7-10 days. Recommend medical visit to diagnose lesion if no resolution.

Answered 8/30/2016

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