why do i have a coating on my tongue

Best answer Mild dehydrationin the mouth can cause a white coating on the tongue. Saliva acts as a buffering agent to break up bacteria on the tongue; a dry tongue or dehydrated mouth will collect debris,and if there isn鈥檛 enough spit to rinse it

Best answer


Mild dehydrationin the mouth can cause a white coating on the tongue. Saliva acts as a buffering agent to break up bacteria on the tongue; a dry tongue or dehydrated mouth will collect debris,and if there isn鈥檛 enough spit to rinse it away,the tongue may turn white.

People also ask


  • What causes a yellow coating on the tongue?

  • In HIV, the yellow tongue coating is usually caused by an oral infection due to a weakened immune system as a result of the virus. Oral thrush, dry mouth, tooth decay, canker sores, cold sores, and gum disease are all signs of HIV of the mouth. Cancer: Some people may fear oral cancer when there is a yellow coating on the tongue.

  • What does a thick white coating on your tongue mean?

  • Thick white coating: While a thick, white coating can form as a result of drinking too much alcohol (intoxication), it can also indicate an infectious disease. Oral thrush is one such disease caused by an overgrowth of a yeast known as candida.

  • Should I be concerned about a coated tongue?

  • You should consult your dentist about a white tongue if it’s painful, the coating lasts for longer than three weeks, or you’re concerned about changes to your tongue associated with the coating. Causes of a Coated Tongue The British and Irish Society for Oral Medicine lists various reasons why the tongue can appear to be coated.

  • What causes bad breath and white tongue coating?

  • The dirty mouth environment harbors bacteria and other micro-organisms that causes bad breath and white tongue coating. It is recommended to brush your teeth using a brush and toothpaste after every meal and before going to bed. Also, use a high quality mouthwash to rinse your mouth.

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