MyMediktor - Canker sore

Very low urgency

Very common-

Rounded superficial wound located in the mucosa of the inner cheek, lip, gums and/or base of the tongue.

The cause is unknown, but it could be viral or triggered by stress, vitamin deficiency, hormonal changes or food allergies. It is not contagious.

It has well-defined borders, a red base with whitish surface, and it is painful.

Some mouthwashes improve symptoms and accelerate their healing.

Unless there are doubts regarding the diagnosis or associated additional symptoms, it is not necessary to check with medical services.

Bibliographic references

Durso SC. Manifestaciones bucales de enfermedades. Harrison. Principios de Medicina Interna. Volumen 1. 19º Edición: 237 y 239.
Castel Rodó T. Enfermedades localizadas de la boca (labios, mucosa bucal, lengua, encías y dientes). Farreras Rozman. Medicina Interna. Volumen 1. 12º edición: 32

Author

Dr. Sara Vitoria

Symptoms

Mouth ulcer or sore

Painful ulcer

Ulcer with well-defined borders

Pain in mouth

Ear pain

Symptom persistence for more than two weeks after the initial treatment

High fever (39 ºC or more)

Aphthae bleeding

Use over-the-counter ointments, pastes or gels with benzocaine, fluocinonide or hydrogen peroxide.

Avoid rough, spicy or acidic foods that can cause pain and irritation.

Apply ice on the aphtae twice a day.

Brush your teeth twice a day or after every meal.

Consult your general practitioner about the prescription for ecorticosteroid mouthwashes or local anaesthetics if you have several canker sores.