The frequency and intensity of various alcohol post-intoxication symptoms and their regression was studied during a three week double-blind treatment period. During the first two weeks daily doses of 60–120 mg. chlorprothixen and 120–240 mg. oxazepam respectively were given. During the third week a dose reduction was generally made, and during the fourth week placebo treatment was given. As an alternative treatment placebo alone was given during four weeks. No other medication than the coded substance was allowed during the observation period. The dose-response technique was used for ethical and practical reasons. The results have been registered by means of psychometric tests as well as assessments made by the patients, the personnel and the psychiatrist (the author) (Fig.). Some of these results have already been accounted for (Bliding, 1970) and will consequently not be mentioned here.