OBJECTIVE:To analyze the irrational prescriptions in the Pharmacy Intravenous Admixture Service (PIVAS) in The First Affiliated Hospital of Medical College of Shantou University. METHODS:The irrational prescriptions noted between Au-gust 2011 and June 2013 were classified and analyzed statistically. RESULTS:During the 21 months between August 2011 and June 2013,a total of 705 883 prescriptions were dispensed,of which,554(0.08%)were noted to be irrational. The irrationality manifested as improper dosage,incompatibility or the unreasonable choice of solvent among others. CONCLUSIONS:The develop-ment of PIVAS in our hospital is of great importance and realistic meaning for promoting clinical rational use of drugs.%目的：分析某院静脉药物配置中心的不合理用药医嘱情况。方法：统计某院2011年8月至2013年6月审核发现的不合理用药医嘱，对其进行分类并分析。结果：21个月来执行医嘱共705883条，不合理用药医嘱554条（0.08％），类型包括剂量不当、配伍禁忌、溶媒选择不合理等。结论：该院PIVAS的开展对于促进临床合理用药具有重要的作用和现实意义。
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