Canker Sores Directory
Canker sores are small, painful ulcers in the mouth. There are two types: primary and complex. Canker sores may be caused by stress, injury, irritating foods, nutritional problems, and an impaired immune system, among other things. Most heal without treatment, but extremely painful ones may warrant a prescription treatment. Follow the links below to find WebMD's comprehensive coverage about how canker sores are contracted, what they look like, how to treat them, and much more.
Canker Sore (Aphthous Ulcer)
Canker sores are small, shallow wounds in your mouth that can make eating and talking uncomfortable. Learn more about canker sore causes, symptoms, diagnosis, treatment, home remedies, and prevention.
The Basics of Canker Sores
WebMD explains canker sores, mouth ulcers that may be caused by anything from hot foods to hormones.
Stomatitis: Types, Symptoms, Causes, and Treatment
WebMD discusses stomatitis, a condition caused by canker sores, cold sores and other irritations in the mouth.
How to Keep Stress From Wrecking Your Mouth
Get tips on how to keep stress from damaging your teeth and gums.
Slideshows & Images
The Science Behind Weird Body Quirks
Who hasn't had an ice cream brain freeze, or been awakened by the pain of a charley horse? What's behind these weird body quirks, anyway? Find out.
17 Oral Health & Mouth Problems
Sores, painful gums, bad breath -- what’s going on in your mouth? Found out with our slideshow of the most common mouth problems.