Reversal of ethanol intoxication in humans: An assessment of the efficacy of l-dopa, aminophylline, and ephedrine

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Abstract
The effect of postethanol treatment with l-Dopa, aminophylline and/or ephedrine was investigated. In one experiment, healthy, male, moderate drinkers ingested ethanol (0.8 g/kg) and then either l-Dopa (1.5 g), or placebo. In a second experiment, subjects ingested ethanol followed by aminophylline (200 mg), ephedrine (50 mg), aminophylline (200 mg) plus ephedrine (50 mg), or placebo. Double-blind, within-subjects, crossover designs were employed. Treatment with l-Dopa significantly reduced ethanol's effect on the electroencephalogram, motor coordination, and divided attention performance (t-test for paired data). Treatment with aminophylline and/or ephedrine also significantly reduced ethanol's effects on the electroencephalogram and motor coordination. The ethanol-antagonism may result from central noradrenergic stimulation.