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A 22-year-old male asked:

i keep on having mouth sore (kanker sores), what's the cause of this?

1 doctor answer1 doctor weighed in
Dr. Yvette Kratzberg
Pediatrics 24 years experience
Apthous ulcers: Canker sores (aka apthous ulcers) can be caused by a variety of triggers: minor injury from dental work, vigorous brushing or sharp food, products containing sodium lauryl sulfate, acidic foods, diet lacking in vit B12, zinc, folate or iron, stress, hormone fluctuations. CS can also occur due to specific conditions: Celiac disease, inflammatory bowel diseases, autoimmune disorders or HIV.

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Last updated May 1, 2020

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