White tongue is the result of an overgrowth and swelling of the fingerlike projections (papillae) on the surface of your tongue. The appearance of a white coating is caused by debris, bacteria and dead cells getting lodged between the enlarged and sometimes inflamed papillae. read more
White tongue refers to a white covering or coating on your tongue. Your whole tongue might be white, or you could just have white spots or patches on your tongue. A white tongue is usually nothing to worry about. read more