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A mouth ulcer is the loss or erosion of the delicate lining tissue of the mouth (mucous membrane). Mouth ulcers are very common, occurring in association with many diseases and by many different mechanisms, but usually there is no serious underlying cause.

These sores can appear on any of the soft tissues of your mouth, including your lips, cheeks, gums, tongue, and floor and roof of your mouth. You can even develop mouth sores on your oesophagus, the tube leading to your stomach. Mouth ulcers often cause pain and discomfort and may alter the person’s choice of food while healing occurs (e.g. avoiding acidic, salty or spicy foods and beverages).


There is no definite cause behind mouth ulcers. However, certain factors and triggers have been identified. These include:

  • Accidental biting of the inside of your cheek.
  • Injury from a toothbrush (such as slipping while brushing).
  • Constant rubbing against malpositioned or sharp teeth, dentures or braces.
  • Poor oral hygiene
  • Irritation from strong antiseptics, such as a mouthwash.
  • Lack of essential vitamins, especially B-12, Zinc, Folate and Iron.
  • Allergic response to certain medication.
  • Hormonal changes during menstruation.
  • Emotional stress or lack of sleep.
  • Bacterial, viral, or fungal infections
  • Mouth ulcers also can be a sign of some diseases that are more serious and require medical treatment.

Treatment for mouth ulcers:

  • Pain-relieving medication, such as paracetamol may help in severe pain.
  • Apply antiseptic gel on the ulcers.
  • Use an alcohol-free medicated mouthwash containing chlorhexidine gluconate.
  • Use a topical steroid ointment – generally prescribed by your dentist or oral medicine specialist.
  • Whatever we do, the Ulcer will take at least a week to heal. To reduce the pain, there are various medications and mouthwash but it gives a short term relief
  • Laser treatment for ulcers takes only a minute. It is a painless simple procedure but will drastically reduce the pain and also fastens healing.

Tips to prevent Mouth Ulcer:

  • You can take steps to reduce the recurrence of mouth ulcers. Avoid hot, spicy, salty, citrus-based, and high-sugar foods.
  • Instead, choose whole grains and alkaline (nonacidic) fruits and vegetables. Eat a healthy, well-balanced diet and if necessary take a multivitamin daily.
  • Drink plenty of fluids.
  • Keep your mouth clean.

If Ulcer persists for more than 10 days, consult a Dentist for further information.


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