A member asked:

Is a red blister inside my cheek a blood blister or cancer?

A doctor has provided 1 answer
Dr. Devon Webster answered

Specializes in Medical Oncology

Blood blister: If it hasn't been there for more than a few weeks and it's in an area where you can accidentally bite your cheek, it's a blood blister. Keep an eye on it. If it doesn't go away after a few weeks, see a doctor or dentist.

Answered 4/11/2020

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Can a blood blister look like cancer?

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