Fluoroquinolone and Macrolide Treatment Failure in Pneumococcal Pneumonia and Selection of Multidrug-Resistant Isolates
Open Access
- 1 September 2003
- journal article
- case report
- Published by Centers for Disease Control and Prevention (CDC) in Emerging Infectious Diseases
- Vol. 9 (9) , 1159-1162
- https://doi.org/10.3201/eid0909.020810
Abstract
Streptococcus pneumoniae serotype 3, isolated from a penicillin-allergic patient and initially susceptible to fluoroquinolones, macrolides, lincosamides, quinupristin-dalfopristin, and telithromycin, became resistant to all these drugs during treatment. Mutations in the parC and gyrA and in the 23S rRNA and the ribosomal protein L22 genes were detected in the resistant isolates.Keywords
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