Antinociceptive activity induced by tizanidine and alpha 2-adrenoreceptors.


Tizanidine [5-chloro-4-(2-imidazolin-2-yl-amino)-2,1,3-benzothiadiazole] is able to increase the pain threshold in the tail-flick test in mice. The effect of tizanidine was investigated after treatment of mice with drugs influencing central monoaminergic and GABAergic mechanisms. A drug that inhibits the synthesis and storage of monoamines and drugs that… (More)


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