Comparative activities of norfloxacin and fifteen other antipseudomonal agents against gentamicin-susceptible and -resistant Pseudomonas aeruginosa strains.

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RESUMO

We compared the activity of norfloxacin (MK-0366), a new orally absorbable derivative of naladixic acid, with those of other antipseudomonal agents against Pseudomonas aeruginosa. Norfloxacin was the most active against both gentamicin-susceptible and gentamicin-resistant strains, having 90% minimal inhibitory concentrations of 2 and 8 micrograms/ml, respectively. This excellent in vitro activity may make norfloxacin effective for oral therapy of P. aeruginosa urinary tract infections.

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