Comparision of Antibiotic Susceptility of Levofloxacin with Other Commonly Tested Antibiotics Against Salmonella Enterica Serovar (Typhi And Paratyphi A)

Authors

  • A Chhetri Department of Microbiology, Kathmandu College of Science And Technology, Kalimati, Kathmandu
  • A Manandhar Department of Microbiology, Kathmandu College of Science And Technology, Kalimati, Kathmandu
  • Y Shah Everest International Clinic and Research Center, Kalanki, Kathmandu
  • RC Simkhada Department of Microbiology, Kathmandu College of Science And Technology, Kalimati, Kathmandu
  • R Paudyal Department of Microbiology, Kathmandu College of Science And Technology, Kalimati, Kathmandu
  • J Amatya Department of Microbiology, Kathmandu College of Science And Technology, Kalimati, Kathmandu
  • J Shrestha Department of Microbiology, Bir Hospital, Bhotahity, Kathmandu

DOI:

https://doi.org/10.3126/njms.v3i1.10344

Keywords:

Levofloxacin, Nalidixic acid resistance, Salmonella enterica serovar (Typhi and Paratyphi A)

Abstract

Background: Increasing antibiotic resistance of bacteria is a global problem. Fluoroquinolones are recommended as first line therapy for children and adults infected with Salmonella enterica serovar Typhi and Paratyphi A. The purpose of this study was to compare the antibiotic susceptibility pattern of different classes of antibiotics with levofloxacin from blood samples of suspected enteric fever patients visiting Birhospital, Kathmandu.

Methods: Antibiotic susceptibility test was performed by Kirby-Bauerdisc diffusion method as per Clinical Laboratory Standards Institute guideline.

Results: Among 50 isolates of Salmonella enterica, 39 (78%) were S.Typhi and 11 (22%) were S. Paratyphi A. All the isolates were tested against antibiotics, and all isolates were found sensitive to chloramphenicol and ceftriaxone whereas 3 isolates of S. Typhi were resistant to ciprofloxacin and 1 was resistant to levofloxacin. Fluoroquinolone resistant S. ParatyphiA was not observed. Among the 10 (20%) multi drug resistant isolates, only 1 isolate was resistant to levofloxacin which was S. Typhi. Both S.Typhi (96.7%) and S. Paratyphi A (89.4%) were resistant to Nalidixic acid.

Conclusion: High level of nalidixic acid resistance and even some fluoroquinolone resistance showed that the treatment of the enteric fever cannot be relied on the fluoroquinolones.

Nepal Journal of Medical Sciences | Volume 03 | Number 01 | January-June 2014 | Page 19-21

DOI: http://dx.doi.org/10.3126/njms.v3i1.10344

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Published

2014-05-02

How to Cite

Chhetri, A., Manandhar, A., Shah, Y., Simkhada, R., Paudyal, R., Amatya, J., & Shrestha, J. (2014). Comparision of Antibiotic Susceptility of Levofloxacin with Other Commonly Tested Antibiotics Against Salmonella Enterica Serovar (Typhi And Paratyphi A). Nepal Journal of Medical Sciences, 3(1), 19–21. https://doi.org/10.3126/njms.v3i1.10344

Issue

Vol. 3 No. 1 (2014)

Section

Original Articles

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Copyright © by Nepal Journal of Medical Sciences. The ideas and opinions expressed by authors of articles summarized, quoted, or published in full text in this Journal represents only opinions of authors and do not necessarily reflect the official policy of Nepal Journal of Medical Sciences or the institute with which the author(s) is (are) affiliated, unless so specified.