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Oral thrush
Oral thrush
Canker sore (aphthous ulcer)
Canker sore (aphthous ulcer)
Lichen planus on the oral mucosa
Lichen planus on the oral mucosa
Mouth sores
Mouth sores
OverviewSymptomsTreatmentPrevention

Mouth ulcers

Definition:
Mouth ulcers are sores or open lesions within the mouth caused by various disorders. (See also mouth sores or aphthous ulcer.)

Alternative Names:
Oral ulcer; Stomatitis - ulcerative; Ulcer - mouth

Causes, incidence, and risk factors:

Mouth ulcers are caused by many disorders. These include canker sores, leukoplakia, gingivostomatitis, oral cancer, oral lichen planus, oral thrush, herpes simplex, and other disorders. The skin lesion of histoplasmosis may also appear as a mouth ulcer.

Aphthous ulcer is more common in young adults than in children or older adults.



Review Date: 5/4/2003
Reviewed By: Bridget Martell, M.D., Department of Internal Medicine, Albert Einstein College of Medicine, New York, NY. Review provided by VeriMed Healthcare Network.

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