A 40-year-old member asked:
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what are aphthous ulcers?

1 doctor answer
Dr. Marianne DiNapoli
8 years experience Obstetrics and Gynecology
Canker sore.: An aphthous ulcer is also known as a canker sore, often a painful circular lesion inside the mouth. It does not have one specific cause, but it can be brought on by many triggers such as stress, infection, vitamin deficiencies, or immune system abnormalities. Other than being painful, they are harmless and can be treated with topical oral agents.
Answered on Apr 17, 2020
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