PATIENT EDUCATION: What causes mouth ulcers? 25 possible conditions

Mouth ulcers — also known as canker sores — are normally small, painful lesions that develop in your mouth or at the base of your gums. They can make eating, drinking, and talking uncomfortable. Women, adolescents, and people with a family history of mouth ulcers are at higher risk for developing mouth ulcers.

Mouth ulcers aren’t contagious and usually go away within one to two weeks. However, if you get a canker sore that is large or extremely painful or if it lasts for a long time without healing, you should seek the advice of a doctor.

What triggers mouth ulcers?

There is no definite cause behind mouth ulcers. However, certain factors and triggers have been identified. These include:… Read more

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