What is aphthous stomatitis?

Also known as: canker sores, aphthous ulcers.

Aphthous (from the Greek word meaning ulcer) stomatitis is a common illness that causes small painful ulcers in the mouth, hard palate, inner cheek, lips or tongue.

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Reviewed by: Jack Wolfsdorf, MD, FAAP

This page was last updated on: 1/29/2019 3:21:13 PM