What are the severity levels of canker sores?

Canker sores are typically a minor problem, and they go away on their own within a week. They can return and be just one or several.

However, if they last longer than a week, see your dentist. He or she can diagnose the problem and offer treatment. A secondary infection could occur, or they can be the sign of a greater problem such a disease or disorder. Timely diagnosis and treatment is important.

Continue Learning about Canker Sores

How soon do canker sores heal?
Canker sores may take one and two weeks to heal. Some products may reduce the time they take to heal...
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How do canker sores develop?
American Dental AssociationAmerican Dental Association
A canker sore usually begins as a red spot or bump. It may produce a tingling or burning sensati...
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What are canker sores?
Joan Haizlip, MSNJoan Haizlip, MSN
Canker sores are small, shallow ulcers that develop in your mouth. The medical term for canker sores...
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As a Teen, What Can I Do About My Canker Sores?
As a Teen, What Can I Do About My Canker Sores?

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.