This image displays several small erosions and aphthous ulcers on the lower lip. This image displays a shallow aphthous ulcer (canker sore). As displayed in this image, aphthous ulcers typically have a white or yellow color. This image displays a tongue with three small ulcers from aphthae. This image displays an unusually large amount of canker sores of the lower inner lip. This image displays a large, healing aphtha (canker sore) on the lower lip.
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Canker Sore (Aphthous Ulcer)  Teen information

Picture of Canker Sore (Aphthous Ulcer): This image displays several small erosions and aphthous ulcers on the lower lip. Divider line
This image displays several small erosions and aphthous ulcers on the lower lip.
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Treatments Your Provider May Prescribe
Most people are treated with topical steroids or other medications applied to the affected area, to speed up healing of the lesions. These include:
  • Topical calcineurin inhibitors (tacrolimus or pimecrolimus)
  • Prednisone may be used in severe cases
Other oral medications, dapsone and colchicine, may be used in more severe cases, when repeated outbreaks (recurrences) continue for years.

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Last Modified: 22 Dec 2008
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