Amoxicillin-clavulanic acid for treating drug-resistant Mycobacterium tuberculosis.

Nadler, J P; Berger, J; Nord, J A; Cofsky, R; Saxena, M · Chest · 1991

case_report · Level V

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Abstract

This report describes two patients with multidrug resistant tuberculosis who were successfully treated with the addition of amoxicillin-clavulanic acid to second-line drugs. Mycobacterium tuberculosis possesses a beta-lactamase contributing to its resistance to beta-lactam antibiotics. The combination of clavulanic acid, a beta-lactamase inhibitor, and amoxicillin has been shown bactericidal for M tuberculosis in vitro. These data suggest that resistant tuberculosis may warrant a trial of treatment including amoxicillin-clavulanic acid.

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