Unknown: Canker sores or apthous ulcer are thought to be viral in nature. No immune problems are known to be associated with these benign ulcers. However severe repeated oral or vaginal ulcerations can be associated with other disease states such as bechet's disease.
Answered 1/12/2016
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3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
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