furry brown tongue
Last reviewed 01/2018
Black tongue results from overgrowth of the filiform papillae on the dorsum of the tongue. The discolouration is due to the accumulation of keratin.
You are currently on the
global version of this site. To see content specific to your location,
please choose your country or region.
GPnotebook no longer supports Internet Explorer. To ensure the site functions as intended, please
upgrade your browser. Microsoft is encouraging users to upgrade to its more modern
Edge browser for improved security and functionality.