causes of white coated tongue
There is number of tiny finger like structures called papillae on the tongue and when it gets inflamed the tongue surface takes up a white coating. This is due to the accumulation of bacteria or fungi on the papillae. Other causes for white surface on the tongue are dry mouth, dehydration, fever, and smoking. Intake of certain medications can alter the color of your tongueâs surface. Oral lichen planus, leukoplakia, oral thrush and syphilis infection are also some of the causes for white coating on the tongue.