Linezolid-induced black hairy tongue

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Cesare Braggio
Giovanni Bocchialini
Luigi Ventura
Paolo Carbognani
Michele Rusca
Luca Ampollini


Black Hairy Tongue, lingua villosa nigra, linezolid


Black hairy tongue (BHT) is a self-limiting disorder characterized by abnormal hypertrophy and elongation of filiform papillae on the surface of the tongue. The exact mechanism of drug-induced BHT is unknown. Several factors have been implicated and included smoking or chewing tobacco, drinking alcohol, poor oral hygiene and antibiotics such as tetracyclines and penicillins. We report a quite uncommon case of Linezolid-induced BHT in a patient with a long-lasting history of chest wall infection


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