Canker sores
Alternative names:
aphthous ulcer; ulcer - aphthous
Prevention:
The cause is unknown and currently there are no preventive measures.
Symptoms: - a burning or tingling sensation before other symptoms develop (prodrome or warning symptom)
- skin lesion on mucous membranes of the mouth
- red spot or bump initially
- formation of open ulcer
- usually small, 1-2 mm to 1 cm
- occasionally larger than 1 cm
- single or clusters, often appear in groups (crops)
- painful
- center appears white or yellow with fibrous texture
- halo border is bright red (a red halo may not always be present)
- may have gray membrane just prior to healing
Less common symptoms (that appear at the time of the canker but may or may not be related:)
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