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A 21-year-old male asked:

I have a small dark red blood spot in my mouth, on the inside of my cheek. it wasn't there this morning. it doesn't hurt and i can't really feel it.

1 doctor answer3 doctors weighed in
Dr. Jonathan Sack
Family Medicine 48 years experience
Blood blister: It sounds like a small collection of blood under the lining of the mouth. It should go away in a few days.
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Last updated May 19, 2018

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