Abstract:Objective To establish the drug utilization evaluation (DUE) criteria and analyze the rationality of dexamethasone utilization in our hospital, so as to provide reference for optimizing rational medication practices.Methods The DUE criteria were developed through standard methodology incorporating dexamethasone instructions, antitumor drug instructions, domestic and international guidelines, and the Principles for Clinical Application of Glucocorticoids (2012 and 2023 editions) etc. The rationality of dexamethasone use was evaluated by these criteria for 769 cases in our hospital from January 2022 to December 2023.Results The irrational use of dexamethasone was primarily observed in unreasonable dosage (incorrect dosing or treatment duration, 141 cases, 18.34%), use without clinical indication (50 cases, 6.50%), improper administration routes (30 cases, 3.90%), incompatible diluent selection (22 cases, 2.86%), and inadequate adverse reaction monitoring (8 cases, 1.04%).Conclusion The established DUE criteria effectively evaluate the rationality of dexamethasone utilization and provide a reference framework for promoting evidence-based medication management in clinical practice.