Unintentional medication discrepancies (UMD) are defined as erroneous and unjustified medication changes between the medication use history and the admission medication orders. UMD (e.g., medication omissions, incorrect doses, incorrect frequencies of administration, therapeutic duplications, among others) are distinguished from intentional medication discrepancies in which adjustments guided by the patient's clinical condition are made at the time of admission [1]. Previous studies observed that 14.7% to 66.2% of identified UMD at admission or discharge are able to cause potential damage to patients [1–3].
