The safety and efficacy of topical norfloxacin compared with chloramphenicol for the treatment of external ocular bacterial infections. The Norfloxacin-Chloramphenicol Ophthalmic Study Group.
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| Abstract |
Two hundred and forty-six patients with signs of acute bacterial conjunctivitis and/or blepharitis were randomised to receive either norfloxacin or chloramphenicol for one week in this double-masked parallel group study. Ninety-two per cent of the norfloxacin-treated patients and 93% of the chloramphenicol-treated patients were rated as either clinically improved or cured at the end of the treatment period. Based upon pre-treatment bacteriological cultures, 31.3% of the patients had significant bacterial infection of the lids and/or conjunctiva. All of these culture-positive patients were rated as either clinically improved or cured. Based upon post-treatment cultures, 72 of 82 strains of Gram-positive and Gram-negative bacteria were eradicated or suppressed following treatment with either norfloxacin or chloramphenicol. However six of 41 strains persisted for norfloxacin and four of 41 for chloramphenicol. Two norfloxacin-treated patients and three chloramphenicol-treated patients had adverse experiences, predominantly ocular discomfort, which required cessation of drug therapy. Norfloxacin appears to be an effective and relatively safe agent for the treatment of bacterial infections of the lids and/or conjunctiva. In this study, norfloxacin was clinically and microbiologically similar in activity to chloramphenicol.
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| Authors | I M Miller, J M Wittreich, T Cook, R Vogel |
| Journal | Eye (London, England) (Eye (Lond)) Vol. 6 ( Pt 1) Pg. 111-4 ( 1992) ISSN: 0950-222X [Print] England |
| PMID | 1426394 (Publication Type: Case Reports, Clinical Trial, Journal Article, Randomized Controlled Trial) |
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