2 doctors weighed in:

Are all blood blisters of mouth cancerous?

2 doctors weighed in
Dr. Matthew Solhjem
Radiation Oncology
1 doctor agrees

In brief: No.

Most blood blisters are not cancerous.
Sores or blisters in the mouth usually go away on their own. If they persist for more than 3-4 weeks, then you should have them checked out. Otherwise, they are nothing to worry about.

In brief: No.

Most blood blisters are not cancerous.
Sores or blisters in the mouth usually go away on their own. If they persist for more than 3-4 weeks, then you should have them checked out. Otherwise, they are nothing to worry about.
Dr. Matthew Solhjem
Dr. Matthew Solhjem
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