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Anxiogenic potential of ciprofloxacin and norfloxacin in rats.
INTRODUCTION: The possible anxiogenic effects of fluoroquinolones, namely ciprofloxacin and norfloxacin, were investigated in adult Charles Foster albino rats of either sex, weighing 150-200 g.
METHODS: The drugs were given orally, in doses of 50 mg/kg for five consecutive days and the experiments were performed on the fifth day. The tests included open-field exploratory behaviour, elevated plus maze and elevated zero maze, social interaction and novelty-suppressed feeding latency behaviour.
RESULTS: The results indicate that ciprofloxacin- and norfloxacin-treated rats showed anxious behaviour in comparison to control rats in all the parameters studied. However, ciprofloxacin- and norfloxacin-treated rats did not differ significantly from each other in various behavioural parameters.
CONCLUSION: The present experimental findings substantiate the clinically observed anxiogenic potential of ciprofloxacin and norfloxacin.
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