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IntroductionThe analysis of medical prescriptions and the development of pharmaceutical interventions (IP) is essential in resolving problems related to drug therapy. The objective of this study is to optimize patient care by evaluating the activity of clinical pharmacy in a given department.MethodsA cross-sectional study was carried out over a period of 6 months (in 2021) in the anesthesia and intensive care department. The pharmaceutical interventions (PI) were recorded on the data collection form of the French Society of Clinical Pharmacy. The clinical and economic impact was assessed using the CLEO scale.ResultsA total of 77 PIs were made. The acceptance rate was 94.8%. Dosage errors were the most commonly identified issue (50.6%), thus dosage adjustment was the most frequently recommended PI (49.3%). This resulted in direct cost savings of 97.762 TND (€29). The majority of PIs carried out had a clinical impact on the patient, with an average clinical impact of 37.96%.ConclusionWhile the pharmaceutical analysis of prescriptions optimizes the patient’s medication management, it must be supplemented by medication reconciliation and therapeutic education in order to guarantee better patient care.