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Castaic, CA
A 22-year-old male asked:

Can someone get a canker sore on the top of their mouth? and can alcohol cause canker sores? i did a bit of heavy drinking over the july 4th weekend

1 doctor answer1 doctor weighed in
Dr. Paul Grin
Pain Management 37 years experience
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. If concerned see your dentist after 10 days.
Last updated Oct 4, 2016

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