What causes a black tongue?
May be medication induced !!!
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There are many reasons for the black tongue. Some possibilities are listed below for your convenience so that you may have a clear idea of what to do next in the line of action.
There are structures on the tongue surface (on front and sides of tongue) named fungiform papillary. In some individuals especially dark skinned people there starts deposition of melanin pigment that makes darks pots on tongue.
XXXXXXX disease & Pellagra are other possibilities where one can have black tongue.
Very important cause of black tongue is the use of medications like:
Interferon, Proton Pump Inhibitors, Antibiotics (e.g. tetracyclines, linezolid) and antidepressants and Bismuth salts.
YOUR POSSIBILITY :-
You are using LAZOPRAZOLE that is a Proton Pump Inhibitor and is notorious to cause black tongue.
Please consult back your primary care physician or Gastroentrologist whoever prescribed you this medication. He will review your medications and can replace or order to stop taking it.
Please don't scratch your tongue as these spots will only leave your tongue once causative agent is removed.
Hope it helps. Please feel free to contact me anytime directly from my profile if you need further assistance.
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