Biological and Pharmaceutical Bulletin
Online ISSN : 1347-5215
Print ISSN : 0918-6158
ISSN-L : 0918-6158
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Medication Wastage in a University Hospital in Japan
Tetsuya Ueki Emiko SanematsuSara KawanoYuriko NakamuraNaoko KawamichiYoshitake ShinoharaKazuhiro YateraFumihiro Tanaka
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2022 Volume 45 Issue 1 Pages 118-123

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Abstract

Medication wastage is a global issue; however, there are few reports in Japanese hospitals. The purpose of this study was to clarify the situation of medication wastage at our university hospital. We investigated the numbers, costs, reasons, occurrence departments, and involvement of high-priced medications of medication wastage for two years. We analyzed 6730 cases and the total cost was 22782027 Japanese yen (JPY). The most common reasons for medication wastage were change or discontinuation of medication after preparation and breakage or contamination due to dropping. The highest cost was expired medications. The department with the highest number of cases was the hospital wards; however, the hospital pharmacy department accounted for the majority of the costs and most of the reasons were expired medications. Medication wastage of 50000 JPY or more per case was only 1.3% of the total but accounted for 70.7% of the cost and medication wastage of 100000 JPY or more per case was only 0.7% of the total but accounted for 58.6% of the cost. These findings indicate that expired medications in the hospital pharmacy department have the largest impact on medication wastage from the viewpoint of economic loss, and suggest the need for efforts on medication management focusing on high-priced medications. The challenge of minimizing medication wastage should be addressed from the perspectives of both hospital management and the effective use of resources.

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© 2022 The Pharmaceutical Society of Japan
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