How Do You Treat a Canker Sore?

Dr. Sharon Orrange
Dr. Orrange is an Associate Professor of Clinical Medicine in the Division of Geriatric, Hospitalist and General Internal Medicine at the Keck School of Medicine of USC.
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Who knew such a small sore could be so painful? Aphthous ulcers (aka canker sores) are painful shallow small round or oval ulcers in the mouth—and if you’ve ever one, you may have some questions.

Dr O.

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