The morphine sparing effect of physostigmine.


The antinociceptive effect of morphine was studied in tail-flick- and acetic acid-induced writhing in mice. Morphine effect was dose-related (1, 2 and 5 mg/kg s.c.). Physostigmine (0.05 and 0.1 mg/kg i.p.) potentiated the antinociceptive effect of morphine, and the anticholinergic, scopolamine (1 mg/kg i.p.), reversed the potentiating effect of… (More)


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