Antibacterial activity of norfloxacin in the gastrointestinal tracts of rats
Author(s) -
Poul C. FrimodtMøller,
Klaus MøllerErnst Jensen,
Paul O. Madsen
Publication year - 1983
Publication title -
antimicrobial agents and chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.07
H-Index - 259
eISSN - 1070-6283
pISSN - 0066-4804
DOI - 10.1128/aac.24.4.560
Subject(s) - norfloxacin , neomycin , bacteria , anaerobic bacteria , microbiology and biotechnology , antibiotics , antibacterial agent , biology , pharmacology , ciprofloxacin , genetics
The capacities of norfloxacin (MK-0366) and neomycin to reduce the numbers of bacteria in the gastrointestinal tracts of rats were evaluated. Results of a 3-day treatment with norfloxacin were compared with those of a 3-day treatment with neomycin. Both drugs significantly decreased gram-negative and gram-positive bacteria. Norfloxacin effected a significantly greater reduction in numbers of gram-negative bacteria than did neomycin. Norfloxacin also significantly increased the number of anaerobic bacteria. Although neomycin reduced gram-positive bacteria more effectively than did norfloxacin, this difference between the two drugs was not significant. Norfloxacin merits further study for potential as a bowel sterilant.
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