White Tongue: Causes and Treatments

White tongue is often related to oral hygiene. Your tongue can turn white when the tiny bumps (papillae) that line it swell up and become inflamed.

Bacteria, fungi, dirt, food, and dead cells can all get trapped between the enlarged papillae. This collected debris is what turns your tongue white.

Causes

All of these conditions can cause white tongue:

poor brushing and flossing
dry mouth
breathing through your mouth
dehydration
eating a lot of soft foods
irritation, such as from sharp edges on your teeth or dental instruments
fever
smoking or chewing tobacco
alcohol use

A few conditions are linked to white tongue, including:

Leukoplakia: This condition causes white patches to form on the inside of your cheeks, along your gums, and sometimes on your tongue. You can get leukoplakia if you smoke or chew tobacco. Excess alcohol use is another cause. The white patches are usually harmless. But in rare cases, leukoplakia can develop into oral cancer.

Oral lichen planus: With this condition, a problem with your immune system causes white patches to form in your mouth and on your tongue. Along with the white tongue, your gums may be sore. You might also have sores along the inside lining of your mouth.

Oral thrush: This is an infection of the mouth caused by Candida yeast. You’re more likely to get oral thrush if you have diabetes, a weakened immune system from a condition like HIV or AIDS, an iron or vitamin B deficiency, or if you wear dentures.

Syphilis: This sexually transmitted infection can cause sores in your mouth. If syphilis isn’t treated, white patches called syphilitic leukoplakia can form on your tongue.

Other conditions that may cause white tongue include:

geographic tongue, or missing patches of papillae on your tongue that look like islands on a map
medicines such as antibiotics, which can cause a yeast infection in your mouth
mouth or tongue cancer

Treatment

A white tongue may not need to be treated. This symptom often clears up on its own.

You may be able to remove the white coating from your tongue by gently brushing it with a soft toothbrush. Or softly run a tongue scraper across your tongue. Drinking lots of water can also help flush bacteria and debris out of your mouth.

If you do need treatment, which one you get will depend on the condition that’s causing your white tongue:

Leukoplakia doesn’t need to be treated. However, you should see your dentist for regular checkups to make sure the condition isn’t getting worse. To clear up the white patches, stop smoking or chewing tobacco, and reduce the amount of alcohol you drink.
Oral lichen planus also doesn’t need to be treated. If your condition is severe, your doctor might prescribe a steroid spray or a mouth rinse made from steroid pills dissolved in water.
Oral thrush is treated with antifungal medicine. The medicine comes in several forms: a gel or liquid that you apply to your mouth, a lozenge, or a pill.
Syphilis is treated with a single dose of penicillin. This antibiotic kills the bacteria that cause syphilis. If you’ve had syphilis for more than a year, you might need to take more than one dose of the antibiotic.

How to prevent

It’s not always possible to prevent white tongue. However, there are a few things you can do to reduce your odds of getting this condition.

Practice good oral hygiene is key. This includes:

using a soft-bristled brush
using a fluoride toothpaste
brushing your teeth twice a day
using a fluoride mouthwash daily
flossing at least once a day
Here are a few other tips for preventing a white tongue:

See your dentist every six months for a checkup and cleaning.
Avoid tobacco products, and cut back on alcohol.
Eat a varied diet that contains lots of fresh fruits and vegetables.

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Source: www.healthline.com