A member asked:

What causes my canker sores?

A doctor has provided 1 answer
Dr. Paul Grin answered

Specializes in Pain Management

Idiopathic condition: No one knows what causes canker sores. They may be caused by a virus, may be a form of allergic reaction or may result from an auto-immune condition. Nothing cures canker sores or prevents recurrence.

Answered 12/4/2014

3.5k views

Thank

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