A member asked:

Didn't drink or eat after anybody. woke up fine brushed teeth noticed my upper lip burning look n i c a blister lik sore what is it n y did it just sho?

2 doctors weighed in across 2 answers
Dr. Jeffrey Bassman answered

Specializes in Dentistry

Vague: Hard to say. Reaction to the toothpaste? Bit lip in your sleep?

Answered 4/22/2014

4.2k views

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Dr. Paul Grin answered

Specializes in Pain Management

Canker sore: Canker sores are the most common oral lesions. Individual ulcers typically last 1-2 weeks. The condition is idiopathic (cause is not known) recurrent aphthous ulcers is usually self-limiting.

Answered 5/22/2014

4.1k views

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