Mayo Clinic Care Network Content
Definitions

Stomatitis


Overview

Stomatitis may be caused by a disease, an infection, an allergic reaction, or irritating foods or chemicals.

Symptoms

Symptoms include swelling and redness inside the mouth or individual, painful sores that can make it uncomfortable to eat.

Treatments

Underlying conditions require treatment. Avoidance of the triggering substance and use of topical medications also may help.