You : You are probably referring to black hairy tongue. See the link below for an excellent write up.
Answered 10/3/2016
5.3k views
You : You should routinely be brushing your tongue daily. Some of the newer brushes actually have a tongue brush built in. Try to brush your tongue to determine if the black film could be removed. If not, see your dentist to have it evaluated.
Answered 10/3/2016
5.3k views
Silent form of GERD: If your tongue is stained black or dark brown it may be caused by medications and certain foods/drinks. Also a a silent form of GERD. If concerned see your dentist for exam.
Answered 5/30/2015
2.8k views
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