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Mouth Ulcers

Mouth Ulcers - What it is

Mouth ulcers that have rolled or heaped-up edges should be viewed with a high-index of suspicion and reviewed at the SingHealth Duke-NUS Head and Neck Centre. Mouth ulcers condition and treatments SingHealth

What is a mouth ulcer?

A mouth ulcer is a loss of part of the mucous lining of your mouth. Most single mouth ulcers are the result of minor trauma (e.g. accidentally biting yourself while eating) and will heal within a week or two. Although troublesome and painful, these ulcers are usually benign and are no cause for worry.

Recurrent or non-healing mouth ulcers

Some people develop ulcers in the mouth that keep coming back. Although in many cases the cause is not clear, certain underlying medical conditions can predispose a person to having recurrent ulcers.

Non-healing ulcers - could it be cancer?

If an ulcer fails to heal within 2-3 weeks, it is important to have it evaluated by a doctor. In some instances, these ulcers can turn out to be cancerous. If you smoke, drink alcohol or chew betel nuts, you are at a higher risk of developing mouth or tongue cancers. However, even if you do not smoke, drink alcohol or chew betel nut, it is still important to see a doctor if your ulcer fails to heal after 2-3 weeks as it may still be a cancerous ulcer.

Mouth Ulcers - Symptoms

Mouth Ulcers - How to prevent?

Mouth Ulcers - Causes and Risk Factors

Mouth ulcers can be caused by the following:

  1. Viral Infections
    The Herpes Simplex Virus causes cold sores. The virus causes painful ulcers that are usually located over the lips or mouth. Although the ulcers may recover, the virus usually lies dormant (inactive) but can be activated by various triggers such as stress, or in women, their menstrual period. Other virus such as the Coxsackie, Varicella and HIV viruses can also cause mouth ulcers.
  2. Nutritional Deficiencies
    Deficiencies of certain vitamins (e.g. vitamin B12) and minerals (e.g iron, folate) can also predispose a person to recurrent ulcers.
  3. Medications
    Certain medications can cause ulcers as a side effect. These include drugs such as bisphosphonates (used for osteoporosis), NSAIDs (a class of pain-killer), beta-blockers and certain cytotoxic drugs.
  4. Inflammatory Bowel Disease
    Patients with inflammatory bowel disease especially Crohn’s disease may also develop recurrent mouth ulcers.
  5. Behçet’s Disease
    Behçet’s disease is a poorly understood disease that causes inflammation of the blood vessels throughout the body. Patients may develop recurrent mouth ulcers, eye inflammation, skin rashes as well as genital sores.
  6. Connective Tissue Diseases
    Patients with connective tissue diseases such as Systemic Lupus Erythematosus (SLE), Reactive Arthritis and Sweet’s Syndrome (rare skin disease, characterised by fever and appearance of tender solid red lumps).

Mouth Ulcers - Diagnosis

Mouth Ulcers - Treatments

Mouth Ulcers - Preparing for surgery

Mouth Ulcers - Post-surgery care

Mouth Ulcers - Other Information

The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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