Abstract
Experimental and clinical results suggest a relationship between the action of ethanol and opiates. Therefore, we have tested whether the specific morphine antagonist naloxone (2 mg/kg intraperitoneally every six hours) affects signs of severe ethanol intoxication or modifies the withdrawal syndrome following chronic ethanol intoxication in rats. Using a double blind technique, we did not find any difference between saline treated and naloxone treated animals with respect to level of intoxication and severity of withdrawal symptoms. We must therefore conclude that naloxone does not modify signs of severe ethanol intoxication or change the ethanol withdrawal syndrome in the rat. These findings do not rule out that there might be a biochemical link between actions of ethanol and opiates, but this link is probably not localized at the level of specific drug receptor interaction.
Published Version
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