Anxiolytics, Sedatives, and Hypnotics Prescribed by Dentists in Brazil in 2010

Objective. To describe dental prescriptions for anxiolytics, sedatives, and hypnotics for Brazilian outpatients in 2010. Methods. A cross-sectional study was conducted using data on the use of anxiolytics, sedatives, and hypnotics from the Brazilian Health Surveillance Agency, Brazil, 2010. For each prescription, prescribed drugs and the prescribed amount were identified. Prescribed medications were classified according to Anatomical Therapeutic Chemical code. We calculated the number of Defined Daily Doses (DDD) for anxiolytics, sedatives, and hypnotics by code, their mean DDD, and DDD per inhabitant per year. Results. There were 16,436 prescriptions dispensed, including anxiolytics, sedatives, and hypnotics. These prescriptions corresponded to 3,555,780.50 mg, distributed as 2,286,200.50 mg (64.30%) of anxiolytics and 1,269,580.00 mg (35.70%) of sedatives and hypnotics. This amount allowed treating approximately 474,106 individuals (number of DDD). The anxiolytics most frequently dispensed were bromazepam (25.30%), alprazolam (19.19%), and diazepam (15.60%). Sedatives and hypnotics mostly prescribed were zolpidem (9.55%), midazolam (6.99%), and flunitrazepam (2.14%). The per capita rates (100,000 inhabitants) of anxiolytics and sedatives/hypnotics were 6.83 and 1.78, respectively. Conclusions. Benzodiazepines and derivatives were the most frequently prescribed drugs. There was a low rate of dental prescriptions for anxiolytics, sedatives, and hypnotics, although excessive doses were concentrated in the same prescription.

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