A member asked:

A big cold-sore like lesion between the crack of my cheek and right upper gums. painful since this morning. what is causing this?

A doctor has provided 1 answer
Dr. Theodore Davantzis answered

Specializes in Dentistry

Virus: It could be a virus, but then again your wisdom tooth may be erupting and you're pinching your cheek between the tooth and your jaw. Must be seen in person to diagnose correctly. Please call your local dentist.

Answered 6/6/2014

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