BMJ  2007;335:784-785 (20 October), doi:10.1136/bmj.39301.680266.AE

Editorials

Ototoxicity caused by aminoglycosides

Is severe and permanent in genetically susceptible people

The first 150 words of the full text of this article appear below.

Aminoglycoside antibiotics are widely used for the treatment of Gram negative sepsis. It is well known that they can cause dose related renal toxicity and ototoxicity, which occur in almost everyone who receives a sufficiently toxic dose.¹ It is less well known that some people have an inherited predisposition that renders them highly sensitive to the ototoxic effects of these antibiotics: aminoglycosides taken at levels that are well within the therapeutic range can result in rapid, profound, and irreversible hearing loss. Even a single dose in a predisposed individual can result in permanent hearing loss.²

In countries that use aminoglycosides widely, a quarter of people with hearing loss induced by aminoglycosides have maternal relatives who also have deafness related to drug induced ototoxicity.³ In the familial cases of hearing loss, individuals received antibiotics for a much shorter period than those without a family history of ototoxicity, suggesting the presence of . . . [Full text of this article]

Clinical and Molecular Genetics Unit, University College London Institute of Child Health, London WC1N 1EH

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