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Is There Acute Tolerance to Alcohol at Steady State?
Howard L. Kaplan, Edward M. Sellers, Carolyn Hamilton, Claudio A. Naranjo, Paul Dorian
Although acute tolerance to the psychomotor impairment caused by alcohol has been documented in single-dose studies, the pharmacodynamic effects of continued alcohol administration in humans have not been well studied. Six nonalcoholic men received alcohol to achieve and maintain breath alcohol levels of 80-100 mg\/dl for 6 hr. The men suffered an initial impairment in word recall but improved over the next 6 hr. Measures of standing steadiness and manual tracking did not show evidence of the development of tolerance. This lack of tolerance was reflected in subjects’ self-assessments of sedation and intoxication.
