A member asked:

I noticed a blood blister inside my mouth, left cheek. what are the causes?

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

Specializes in Dentistry

Blood blister: Blood blisters occurring on the cheek are usually the result of an accidental or unconscious cheek bite.

Answered 4/21/2020

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Blood blister: Usually caused by trauma, as in biting the affected area. It should be gone in 14 days from onset. If not, see your Dentist.

Answered 3/9/2020

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