Canker Sore

Aphthous ulcer or ulcerative stomatitis

These are small sores or painful swellings on the inside of the mouth and on the tongue that appear without apparent reason, and disappear by themselves usually within ten days, leaving no scar. They maybe caused by stress, spicy foods, or acid-alkaline imbalance.

Small (usually a few millimeters and rarely up to a few centimeters), painful ulcerations -- they usually have a yellow-gray center surrounded by a red halo Usually painful for 7-10 days Usually resolve in 7-21 days

Unknown, but probably viral

Topical corticosteroids in an adhesive base e.g. Triamcinolone Acetonide 0.1% with Orabase Palin Tapered 7-day course of Prednisone in severe cases

Herpes Simplex Behcet's disease Drug allergic reaction Erythema Multiforme Pemphigus Bullous lichen planus Squamous cell carcinoma

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