Many older adults take five or more medications a day — a situation pharmacists call polypharmacy. Each medicine may make sense on its own, but together they raise the risk of side effects, interactions, falls, confusion and hospital visits. Missed or doubled doses are also far more likely when a schedule gets complicated.
This guide explains, from a pharmacy perspective, why multiple medications are riskier in older age, the warning signs to watch for, and practical steps families can take to keep things safe and organized.
Why Medications Affect Older Adults Differently
- The body processes drugs more slowly. Kidney and liver function often decline with age, so medicines can build up and stay in the body longer.
- Body composition changes, which can change how a medicine is distributed and how strong its effect is.
- Greater sensitivity, especially to medicines that affect the brain, such as sleep aids, some antihistamines, anxiety medications and strong pain relievers. These can cause drowsiness, confusion and falls.
- More prescribers. When several doctors each prescribe for their own specialty, no one may be looking at the full list.
The American Geriatrics Society publishes the Beers Criteria, a widely used list of medications that are potentially inappropriate for older adults. Doctors and pharmacists use it to spot medicines that may carry more risk than benefit.
Warning Signs to Watch For
Contact the doctor or pharmacist if you notice any of these, especially after a medication was started or changed:
- New confusion, memory problems or unusual sleepiness
- Dizziness, unsteadiness or a fall
- Loss of appetite, nausea or constipation
- Changes in mood, agitation or depression
- Unexplained bruising or bleeding (particularly with blood thinners)
- Pills left over, running out early, or confusion about what to take
It’s easy to blame these on “just getting older,” but medications are a common, and often fixable, cause.
Step 1: Make One Complete Medication List
Write down everything your parent takes, including:
- Every prescription, with the dose and when it’s taken
- Over-the-counter medicines (pain relievers, sleep aids, antacids, laxatives, allergy pills)
- Vitamins, supplements and herbal products
- Eye drops, inhalers, creams and patches
Keep a copy in their wallet and bring it to every appointment and hospital visit. Our free Medication Organizer Planner creates a printable schedule you can share with doctors.
Step 2: Ask for a Full Medication Review
A medication review looks at the whole list together to check whether each medicine is still needed, whether doses are right, and whether any interact. Ways to get one:
- The “brown bag” review. Put every medicine and supplement in a bag and bring it to the doctor or pharmacist. Seeing the actual bottles catches duplicates and old prescriptions.
- Medicare Part D Medication Therapy Management (MTM). Part D plans offer MTM programs, which include a comprehensive medication review with a pharmacist, to eligible members, typically people with several chronic conditions who take multiple medicines. Call the plan to ask whether your parent qualifies.
- The Medicare Annual Wellness Visit, which is a good time to review medications and raise concerns.
- Your community pharmacist, who can check for interactions any time, at no charge.
Questions to ask at the review: Is each medicine still needed? Could any dose be lowered? Could any of these be causing dizziness, confusion or falls? Are any on the Beers Criteria list? Can the schedule be simplified to fewer times a day?
Never stop or change a prescription medicine without talking to the prescriber first. Some medicines must be tapered gradually.
Step 3: Use One Pharmacy
Filling all prescriptions at one pharmacy lets the pharmacist’s system check every new medicine against everything else on file. Many pharmacies also offer medication synchronization, so all monthly prescriptions are refilled on the same day, and some offer blister or multi-dose packaging that sorts doses by day and time.
Step 4: Build a System That Prevents Mistakes
- A weekly pill organizer with morning, noon, evening and bedtime compartments works well for many people.
- An automatic, locking pill dispenser with alarms is better for someone with memory problems, because it only releases the correct dose at the right time.
- Reminders, such as alarms, a smart speaker, or a phone call from family at medication times.
- Good lighting and a magnifier for reading labels.
If blood pressure medicines are on the list, home readings from a validated blood pressure monitor help the doctor judge whether the dose is right. See our reviews of pill organizers and automatic dispensers, pill crushers and splitters (including which pills must never be crushed), and magnifiers for reading labels.
Step 5: Store and Dispose of Medicines Safely
- Store medicines in a cool, dry place, not a steamy bathroom, unless the label says otherwise.
- Keep medicines locked if someone in the home has dementia or if grandchildren visit.
- Dispose of old and discontinued medicines promptly so they aren’t taken by mistake. Many pharmacies have drug take-back kiosks, and the DEA holds National Prescription Drug Take Back Days.
When to Get Help Right Away
Call 911 for signs of a serious reaction, such as trouble breathing, swelling of the face or throat, chest pain, severe confusion or fainting. For a possible overdose or accidental double dose, call Poison Control at 1-800-222-1222, available 24/7.
This guide provides general information from a pharmacy perspective and is not a substitute for advice from your own doctor or pharmacist, who know your parent’s full medical history. Never start, stop or change a medicine without professional advice.