Unlikely the flu: I am not sure what is causing this but would be very unusual to be serious. This may be viral but also consider if you have eaten something too hot. This should pass in a day or so. The mouth heals very quickly. If it persists see your doctor. Do not be scared.
Answered 4/9/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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