Mouth ulcers

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Mouth ulcers

Definition

Mouth ulcers are sores or open lesions within the mouth, caused by various disorders. (See also mouth sores or canker sores)

Alternative Names

Oral ulcer; Stomatitis - ulcerative; Ulcer - mouth

Causes

Mouth ulcers are caused by many disorders. These include:

The skin lesion of histoplasmosis may also appear as a mouth ulcer.

Canker sores are more common in young adults than in children or older adults.


Oral thrush


Canker sore (aphthous ulcer)


Lichen planus on the oral mucosa


Mouth sores

Review Date: 1/18/2007
Reviewed By: Benjamin W. Van Voorhees, MD, MPH, Assistant Professor of Medicine and Pediatrics, The University of Chicago, Chicago, IL. Review provided by VeriMed Healthcare Network.

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