“Black hairy tongue” – a disease that can be caused by taking large amounts of antibiotics. What is it threatening to do?

When a black coating appears on the surface of the tongue, and the organ itself looks as if it is covered with hair, you may be afraid of a condition called “black hairy tongue”. One of the reasons for this is the use of large amounts of antibiotics and even the use of mouthwashes. Where does the unusual appearance of the tongue come from? Is the disease contagious and what else causes it? Be sure to see our video.