How are recurrent aphthous stomatitis (RAS) diagnosed?

Updated: May 11, 2020
  • Author: Jaisri R Thoppay, DDS, MBA, MS; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Diagnosis of RAS is based on history and clinical features. Topical corticosteroids (TCs) remain the mainstays of treatment. If RAS fails to respond to local measures, systemic immunomodulators may be required. A wide spectrum of agents has been suggested as beneficial, but few studies have been performed to assess the efficacy of these drugs (or their adverse effects are significant).

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