Polypharmacy refers to the simultaneous use of five or more medications. Among seniors, this is a common occurrence — statistics show that up to 40% of people over 65 regularly take multiple drugs. The problem arises when medications interact with each other, amplify side effects, or reduce each other’s effectiveness. The consequences can be serious: from falls and confusion to hospitalization.
Among the most dangerous is the combination of blood thinners with anti-inflammatory drugs, which significantly increases the risk of bleeding. Equally problematic is mixing sedatives with opioids or taking multiple blood pressure medications simultaneously. Even over-the-counter drugs and dietary supplements can cause dangerous interactions.
Particularly dangerous are medications on the Beers List — drugs considered potentially inappropriate for older adults. These include certain antihistamines, sleep aids, and some antidepressants that increase the risk of falls and cognitive problems in seniors.
The key is regular medication reviews with a doctor or pharmacist. Keep an up-to-date list of all medications being taken, including supplements, and bring it to every medical appointment. Never change dosages or stop taking prescribed medications on your own without consulting a healthcare professional.
Family members can help by organizing medications in pill organizers, reminding about taking times, and monitoring for side effects. If you notice confusion, dizziness, excessive drowsiness, or behavioral changes in an elderly person, these may be adverse drug reactions. Don’t hesitate to contact a doctor.
Sources: World Health Organization (WHO) — Medication Safety in Older Adults, American Geriatrics Society — Beers Criteria, European Medicines Agency (EMA).
March 26, 2026