Understanding adverse drug reactions in older adults through drug-drug interactions

Adverse drug reaction; Drug-drug interaction; Elderly; Acenocoumarol; Age Factors; Aged; Allopurinol; Drug Hypersensitivity; Drug-Related Side Effects and Adverse Reactions; Female; Hematologic Agents; Hemorrhage; Humans; International Normalized Ratio; Italy; Male; Prevalence; Proton Pump Inhibitors; Warfarin; Drug Interactions; Internal Medicine; Medicine (all)