Answer to the last #DiagnosticDilemma
The answer is tetracyclines!!

Major takeaways:-

• Black hairy tongue is a benign condition characterized by hypertrophy and elongation of filiform papillae on the surface of the tongue, with brownish-black discoloration.

• The condition can be associated with multiple factors, including poor oral hygiene, the use of tobacco or irritating mouthwashes, and the receipt of antibiotic agents, particularly tetracyclines.

• This patient was prescribed oral minocycline, which was discontinued and an alternate regimen was started with resolution.

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