6 years ago
2
A Rare Case of Black Hairy Tongue Has Been Recorded in The US
It's entirely possible, albeit rare, for patients taking antibiotics or antipsychotics to develop a sticky, black mess on top of their tongue. Warning: possibly NSFL.
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https://www.sciencealert.com
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Huh, I had this when I was a child. I can tell you that it doesn't taste good.
For how long did you have it, and do you know what caused it and why it went away?