Introduction

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: you're concerned about changes to the appearance of your tongue your tongue hurts (read about the causes of Tongue pain or soreness ) your coated tongue persists for longer than two weeks 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.