The goal of treatment is relief of symptoms. The cause, if known, should be treated. Gentle, thorough oral hygiene may relieve some of the symptoms. Topical (rubbed on) antihistamines, antacids, corticosteroids, or other soothing preparations may be recommended for applying on top of the ulcer. Avoid hot or spicy foods, which often increase the pain of mouth ulcers.
The outcome varies depending on the cause of the ulcer. Many mouth ulcers are benign and heal without specific treatment. Rarely, chronic mouth ulcers can develop into oral cancer.
Call for an appointment with your health care provider if your mouth ulcers persist for longer than 3 weeks. Call for an appointment with your health care provider if mouth ulcers return frequently, or if new symptoms develop.