Bactericidal Activity and Postantibiotic Effect of Levofloxacin against Anaerobes

Author:

Pendland Susan L.12,Diaz-Linares Mariela2,Garey Kevin W.2,Woodward Jennifer G.3,Ryu Seonyoung4,Danziger Larry H.12

Affiliation:

1. Microbiology Research Laboratory1 and

2. Department of Pharmacy Practice,2 The University of Illinois at Chicago, Chicago, Illinois 60612;

3. Lutheran General Hospital, Park Ridge, Illinois 600683; and

4. Cedars-Sinai Health Systems, Beverly Hills, California 902114

Abstract

ABSTRACT The bactericidal activity and postantibiotic effect (PAE) of levofloxacin against nine anaerobes were determined. Levofloxacin at concentrations of the MIC and twice the MIC was bactericidal at 24 h to five of nine and nine of nine strains, respectively. The PAE of levofloxacin following a 2-h exposure ranged from 0.06 to 2.88 h.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference18 articles.

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2. Antimicrobial activity of ciprofloxacin against Pseudomonas aeruginosa, Escherichia coli, and Staphylococcus aureus determined by the killing curve method: antibiotic comparisons and synergistic interactions

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