Oxycodone+andGabapentin
Opioid + gabapentinoid combination increases CNS depression, fall risk, and respiratory depression, especially in elderly. FDA black box warning (2019) about this combination. Beers Criteria 2023: gabapentinoids added as CNS-active drugs that increase fall risk
Furosemide+andZolpidem
Diuretic increases nighttime bathroom urgency + sleep aid causes drowsiness = high fall risk during nighttime trips. One of the most common dangerous combinations in older adults
Furosemide+andLorazepam
Frequent bathroom trips combined with benzodiazepine-induced drowsiness and impaired coordination significantly increases fall risk
Risperidone+andLorazepam
Antipsychotic + benzodiazepine combination increases sedation, orthostatic hypotension, and fall risk. Beers Criteria: avoid concurrent use of multiple CNS-active medications
Diphenhydramine+andOxybutynin
Two highly anticholinergic drugs combined dramatically increases total anticholinergic burden. Beers Criteria: cumulative anticholinergic exposure associated with increased risk of falls, delirium, and dementia. Avoid using multiple anticholinergics concurrently
Amitriptyline+andDiphenhydramine
TCA + anticholinergic antihistamine: dangerous additive anticholinergic effects. Increases sedation, confusion, orthostatic hypotension, and fall risk. Beers Criteria: avoid this combination in older adults
Doxazosin+andFurosemide
Alpha blocker + diuretic: both lower blood pressure through different mechanisms. Combined use causes severe orthostatic hypotension and dramatically increases fall risk, especially after first dose