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Context: The objective of this article is to carry out an assessment of professional practices on the use of the Clinical Institute Withdrawal Assessment for Alcohol–revised (CIWA-Ar) protocol in the prevention of alcohol withdrawal syndromes. Method: 61 patients who benefited from the implementation of the CIWA-Ar protocol during their hospitalization in the psychiatry department of a military training hospital between September 2017 and March 2020 were identified. Results: Mental and behavioral disorders due to use of alcohol were the main reasons for hospitalization (55.7 percent). In several clinical situations, the protocol had been put in place as a preventive measure. The greater the amount of benzodiazepine administered, the higher the CIWA-Ar scores. Discussion: There was no significant correlation between the mean CIWA-Ar scale score and the length of hospital stay. Patients who were prescribed benzodiazepines upon discharge had received significantly higher mean doses of benzodiazepine during their hospitalization than those who did not require such a prescription. The prescription of benzodiazepine was not correlated with the value of the CIWA-Ar scale score during hospitalization. This study provides an overview of practices, in order to improve the quality of care.