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Differences in the development of the tolerance to various benzodiazepines


Polish Journal of Pharmacology & Pharmacy 39(3): 245-252
Differences in the development of the tolerance to various benzodiazepines
Anticonvulsant, sedative and anxiolytic effects of the following benzodiazepines, administered chronically by the intraperitoneal route, were assessed: nitrazepam (NTZ), diazepam (DZ), oxazepam (OXZ), chlordiazepoxide (CDX) and temazepam (TMZ). The action of NTZ in tests for sedative, anticonvulsant and anxiolytic effects rapidly changed upon a repeated daily treatment, which suggests development of tolerance, while no tolerance developed to such effects of OXZ. The stimulating effect of DZ was found not earlier than after 5 weeks of chronic treatment, but no tolerance to the anxiolytic action was observed, and the anticonvulsant action was even potentiated. The stimulating action and tolerance to the anxiolytic effects of CDX and TMZ developed rapidly, but was accompanied with an only slight decrease in the anticonvulsant effect.


Accession: 005151201



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