The effect of single and chronic administration of imipramine on clonidine-induced hypothermia in the rat |
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Authors: | Zbigniew Górka El?bieta Zacny |
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Institution: | Institute of Pharmacology, Polish Academy of Sciences, 31-343 Kraków, Poland |
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Abstract: | The effect of imipramine (IMI) on the hypothermic action of clonidine, 50 μg/kg iv., was examined after a single dose and after 7, 14 and 21 days of IMI administration in doses of 2 and 10 mg/kg i.p. in rats. Single administration of IMI both in a dose of 2 and 10 mg/kg does not effect clonidine-induced hypothermia. IMI in a dose of 10 mg/kg given for one week significantly blocks the response to clonidine administration, but it has practically no effect in a dose of 2 mg/kg. After a three-week treatment also a dose of 2 mg/kg blocks clonidine-induced hypothermia. It has been demonstrated that the chronic administration of IMI in contrast to the single one significantly blocks clonidine hypothermia. |
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