São Paulo medical journal = Revista paulista de medicina
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Older adults with a range of comorbidities are often prescribed multiple medications, which favors drug interactions. ⋯ The frequency of potential drug interactions in drug therapy prescribed at discharge for these older adults was high. Polypharmacy, diabetes mellitus, hypothyroidism and chronic kidney disease were positively associated with occurrences of drug interactions, while hospitalization in geriatric units showed an inverse association.