Burning Mouth Syndrome

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Burning Mouth Syndrome

Burning mouth syndrome is a painful and often frustrating condition. Some patients compare it to having burned their mouth with hot coffee.

The burning sensation may affect the tongue, the roof of the mouth, the gums, the inside of the cheeks and the back of the mouth or throat. The condition sometimes is known as “burning tongue (or lips) syndrome,” “scalded mouth syndrome,” “glossodynia” and “stomatodynia.”

In addition to the burning sensation, other conditions—such as a dry or sore mouth or a tingling or numb sensation throughout the mouth and tongue—may occur. A bitter or metallic taste also may be present. This condition can affect men and women, but it is especially common in women during or after menopause.
WHAT CAUSES BURNING MOUTH SYNDROME?

The exact cause of burning mouth syndrome often is difficult to pinpoint. The disorder has long been linked to a variety of other conditions: menopause, diabetes, nutritional deficiencies, tongue thrusting, disorders of the mouth (oral thrush and dry mouth), acid reflux, cancer therapy (irradiation and chemotherapy) and psychological problems. Some researchers also have suggested dysfunction in the nerves supplying the mouth and tongue as a possible cause. Strictly speaking, the term “burning mouth syndrome” should be used only when a definite cause has not been found.

Once burning mouth syndrome begins, it may persist for many years. Patients who have it may awaken with no pain only to find that the burning sensation grows progressively worse during the day. They may have difficulty falling asleep. The discomfort and restlessness may cause mood changes, irritability, anxiety and depression.
HOW IS IT TREATED?

Your dentist can confirm the diagnosis and develop an appropriate treatment plan. The dentist will review your medical history and ask you to describe your symptoms.

First, any oral conditions causing the burning sensations should be investigated. For example, if you have dry mouth, your dentist may advise that you drink more fluids or may suggest saliva replacement products that can be purchased at a pharmacy. An oral swab or biopsy may be used to check for thrush, which is a fungal infection; thrush can be treated with oral anti-fungal medications. Any irritations caused by sharp or broken teeth or by a removable partial or full denture should be eliminated.

Other simple measures may help. Eliminate mouthwash, chewing gum, tobacco and very acidic liquids (certain fruit juices, soft drinks and coffee) for two weeks to see if there is any improvement. Consider trying a different brand of toothpaste (look for products with the ADA Seal of Acceptance).

Look up the side effects of any medications you are taking (such as those used to treat high blood pressure). You can ask a pharmacist, check a Physicians’ Desk Reference at the library or go to the Internet for this information. If any of your medications are reported to cause a burning sensation in the mouth, ask your physician to consider prescribing a substitute medication. Also, some medications can cause dry mouth, which might aggravate the condition.

If your dentist determines that no oral conditions are causing the burning sensation and the steps listed above do not resolve the problem, disorders such as diabetes, abnormal thyroid conditions, Sjögren’s syndrome (a rheumatological disorder), mineral deficiencies or food allergies should be investigated. This usually involves referral to your family physician and the use of blood tests.
SUMMARY

Start with the simple and eliminate various possibilities. Even if a cause cannot be found, a dentist working with your physician may recommend medications to provide relief of symptoms.

American Dental Association

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