Title

Sensitivity of amoxicillin-resistant Helicobacter pylori to other penicillins

Document Type

Journal Article

Publication Date

1-1-1999

Journal

Antimicrobial Agents and Chemotherapy

Volume

43

Issue

7

DOI

10.1128/aac.43.7.1803

Abstract

The sensitivities to penicillins and to a penicillin and β-lactamase inhibitor combination agent were determined for Helicobacter pylori strains that were sensitive, moderately resistant, or highly resistant to amoxicillin. All strains were resistant to nafcillin and oxacillin. Moderately resistant strains showed an intermediate zone of inhibition to ticarcillin, mezlocillin, piperacillin, and amoxicillin-clavulanic acid. High-level resistance was associated with the smallest zone size for all penicillins tested.

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