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Tongue Problems - Topic Overview

Brightly colored changes in the color of your tongue may be caused by eating or drinking something that may have stained your tongue, such as soft drinks or candy. The bright colors can be alarming. Stains caused by soft drinks or candy will brush off or wear off.

A buildup of food debris and bacteria on the tongue may make the tongue look thick or furry ("hairy tongue"). A person with a hairy tongue often has severe bad breath (halitosis). Soreness is not usually present. Often the problems will go away if the surface of the tongue is brushed with a soft-bristled toothbrush. If your tongue problem is from some local irritation, such as tobacco use, removing the source of the irritation may clear up the tongue problem. Home treatment may be all that is needed.

Other common causes of tongue problems include:

  • Deep grooves (fissures) of the tongue. Although deep fissures on the tongue are often normal, food particles can get stuck in the grooves, causing inflammation and tenderness.
  • Lack of certain vitamins or minerals in your diet, especially B vitamins.
  • Fungal infections (thrush), which produce white patches on the tongue and inside of the mouth.
  • Injuries, such as biting, chewing, piercing, or burning the tongue.

Common tongue problems include:

  • Redness and swelling (inflammation) of the tongue (glossitis). Possible causes of glossitis include an allergy or infection, an injury to the tongue, or a nutrition problem. Most cases of glossitis are minor and can be treated at home. Glossitis may change how you chew, swallow, or speak until it goes away.
  • Smooth tongue, a condition in which the normal rough surface (papillae) of the tongue shrinks or disappears, making the tongue look bald or shiny and thin. Without this rough surface, the tongue may be tender and sensitive to spicy foods. This problem can occur because of a lack of folic acid, iron, riboflavin, or vitamin B12 in the diet over a long period of time. With good nutrition, symptoms generally improve in 2 to 4 weeks.
  • Other changes in the surface of the tongue. Your tongue may look like it has grown hair (hairy tongue) or white fur (furry tongue), or it may look like a road map (geographic tongue) with smooth, bright red areas. Geographic tongue may cause pain or burning.
  • Changes in the color of the tongue. Your tongue may look black or strawberry- or raspberry-colored. A bright red tongue that occurs with fever, sore throat, or other symptoms may be more serious.

Rare, but serious, causes of tongue problems can include:

  • A severe allergic reaction, causing the tongue to swell. This is an emergency and requires prompt medical evaluation.
  • Oral cancer, which can cause a sore on the tongue or a lasting feeling of numbness.
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WebMD Medical Reference from Healthwise

Last Updated: July 20, 2012
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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Number of Days Per Week I Floss

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Only 18.5% of Americans never floss. You are missing out on a simple way to make a big difference in the health of your mouth. Regardless of how well you brush, plaque still forms between your teeth and along your gums. Floss removes food trapped between the teeth and removes the film of bacteria that forms there before it turns to plaque, which can cause inflamed gums (gingivitis), cavities, and tooth loss. Try flossing just one tooth to get started.

You are one of 31% of Americans who don't floss daily. You are missing out on a simple way to make a big difference in the health of your mouth. Regardless of how well you brush, plaque still forms between your teeth and along your gums. Toothbrush bristles alone cannot clean effectively between these tight spaces. Flossing removes up to 80% of the film that hardens to plaque, which can cause inflamed gums (gingivitis), cavities, and tooth loss. Aim for 3 more days!

You are one of 31% of Americans who don't floss daily, but you're well on your way to making a positive impact on your teeth and gums. Regardless of how well you brush, plaque still forms between your teeth and along your gums. Toothbrush bristles alone cannot clean effectively between these tight spaces. Flossing removes up to 80% of the film that hardens to plaque, which can cause inflamed gums (gingivitis), cavities, and tooth loss. Aim for all 7 days!

Only 50.5% of Americans floss daily, and good for you that you are one of them! Regardless of how well you brush, plaque still forms between your teeth and along your gums. Toothbrush bristles alone cannot clean effectively between these tight spaces. Flossing removes up to 80% of the film that hardens to plaque, which can cause inflamed gums (gingivitis), cavities, and tooth loss. Congratulations on your good oral health habit!

SOURCES:

American Dental Association, Healthy People 2010

This tool is intended only for adults 18 and older.

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