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Sources of medication omissions among hospitalized older adults with polypharmacy

Hospitalized older adults have a high prevalence of polypharmacy and medication inaccuracies. Gathering the best possible medication history (BPMH) is necessary to accurately identify each medication for multimorbid older adults. The objective was to describe a multipronged approach to obtaining the BPMH for hospitalized older adults, quantify the medication discrepancies identified through these sources, and explore factors associated with these discrepancies.