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A 23-year-old female asked:

I have a white bump on inside of my bottom lip. cold sore or canker sore?

1 doctor answer1 doctor weighed in
Dr. Edward Hirsch
Infectious Disease 32 years experience
Don't know: There are too many possibilities that it could be. You need to see a doctor and have it looked at to have a real diagnosis. Both of your concerns (cold sore or canker sore) are possibilities along with lots of other things. Most are not serious but it would be a good idea to have it checked out.

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Last updated Dec 22, 2014

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