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


Mouth ulcers

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

Symptoms:
  • Pain or discomfort in the mouth
  • Presence of open sores in the mouth
The appearance and exact location of lesions varies with the specific disorder.

Signs and tests:
A health care provider or dentist usually diagnoses the type of mouth ulcer based on the appearance and location of the lesion. A skin biopsy of the ulcer or blood tests may be needed to confirm the disorder causing the problem.


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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