A member asked:

Purple sore in mouth, what can it be, and only lasting a day?

4 doctors weighed in across 2 answers
Dr. Gary Sandler answered

Specializes in Dentistry

Accidental bruise: It sounds like you might have accidentally bit or bruised yourself.

Answered 12/14/2015

5.3k views

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Dr. Bruce Weisbrot answered

Specializes in Dentistry

Blood blister: Most likely a blood blister caused by trauma such as biting yourself. If it goes away after only one day and there is no pain or swelling associated with it than i don't think you have anything to worry about.

Answered 1/3/2018

5.3k views

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