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What is the cause of a white tongue?

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Quick Answer

A white tongue can occur due to the invasion of fungi or bacteria on the tongue surface. This causes dead cells to be trapped within the nodules of the tongue.

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Full Answer

There is no cause for concern since a white tongue is usually not a medical condition, but a temporary issue. Drinking plenty of water and brushing the tongue with a scraper can help remove the white coating. However, if the coating is associated with an infection, it is sensible to seek medical attention. Conditions that can cause a white tongue include syphilis, oral lichen planus, oral thrush and leukoplakia, as stated by NHS.

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