White coated tongue
A coated or white tongueoccurs when the surface is colonised by bacteria or fungi, and dead cells become trapped between the small nodules on the tongue.
A coated tongueisn't a disease and isn't usually a sign of anything serious. It's usually only temporary.
You can trygently brushing it with a tongue scraper and drinking plenty of water to help it improve.
However, sometimes a coated tongue can indicate an infection or more serious condition. You should see your GP for advice if:
Youcan read on to learn moreabout the possible causes of a coated tongue, but don't use this to diagnose yourself with a condition always leave that to your GP.
Note that in a minority of people, a coated tongue may never return to its normal colour or texture, even after treatment.
The tongue appears white or pale yellow and coated when the surface is colonised by bacteria or fungi, and dead cells become trapped between the small nodules on the tongue.
Leukoplakia Leukoplakia is a common condition that results in a white patch in the mouth, which sometimes appears on the tongue. The patch is usually painless but cannot be removed by brushing or scr