Polypharmacy in Older Adults: When Are Too Many Medications Risky?

For general educational purposes only, not a substitute for specific medical advice. Consult with a licensed provider before implementing any adjustments to your treatment regimen.

Polypharmacy means taking many medicines at the same time. It is common in older adults, who often manage more than one health condition. Each medicine may make sense on its own, but together they can raise the risk of side effects, drug interactions and falls. People who take five or more medicines are at higher risk.

November is National Family Caregivers Month, so this guide is written for older adults and the adult children who help them. A careful medication review, with every bottle on the table, is one of the most useful steps you can take together.

Why the Risk Rises With Age

Polypharmacy is not always a mistake. Someone with diabetes, high blood pressure and arthritis may truly need several medicines. The goal is to make sure each one still has a clear reason and that its benefits outweigh its risks. That gets harder with age because the body handles medicine differently:

• The kidneys and liver clear many medicines more slowly, so a drug can stay in the body longer.
• The body has less water and muscle and more fat, which changes how some medicines build up.
• Older adults are often more sensitive to certain medicines. Sleep aids and anti-anxiety medicines, for example, are more likely to cause sleepiness, dizziness and confusion.
• Some blood pressure medicines lower pressure more sharply in older adults.

Care is also more spread out. When several clinicians prescribe, one may not know what another has added. A hospital stay can bring new medicines from clinicians who don’t know the full history.

Warning Signs of Medication Side Effects

Medication side effects in older adults are easy to mistake for “just getting older.” Watch for:

• Falls, light-headedness or loss of balance
• Dizziness
• New confusion, memory trouble or seeing things that are not there
• Unusual tiredness or sleepiness
• Constipation, diarrhea, dry mouth or trouble starting to urinate
• Blurred vision
• Unusual bleeding
• Any new symptom that starts after a medicine is added, stopped or changed

A new symptom after a medication change is worth reporting to a clinician or pharmacist. Write down when it started and what changed. That timeline makes it much easier to sort out.

What Is a Prescribing Cascade?

A prescribing cascade happens when a side effect of one medicine is mistaken for a new health problem, and a second medicine is prescribed to treat it. The second medicine can bring side effects of its own, and the cycle can continue.

Here is one example. Some blood pressure medicines can cause swelling in the ankles. If that swelling is treated as a new condition, a water pill may be added, which can cause its own problems. When a new symptom shows up, a helpful first question is, “Could this be from a medicine?”

Looking at the whole list, including when each medicine started, can reveal patterns that are easy to miss one prescription at a time.

How to Prepare for a Medication Review

A medication review is a planned look at everything a person takes. Before the visit, gather:

• Every prescription bottle, including ones from specialists
• Over-the-counter medicines, such as pain relievers, sleep aids, cold remedies and allergy pills
• Vitamins, supplements and herbal products
• Inhalers, eye drops, creams and patches
• The name of each prescriber and pharmacy
• Notes on how each one is actually taken, including missed doses

During the review, ask about each medicine: What is it for? Is it still needed? Could it be causing any of the symptoms we have noticed? Some medicines also need lab tests, such as kidney or liver checks, to stay safe.

Cutting Back Safely and Staying Organized

Deprescribing means stopping or lowering medicines that no longer help enough or may now cause more harm than good. It is a supervised process led by a clinician. A clinician may suggest lowering a medicine, switching to another or stopping it, then checking in to see how things are going.

Never stop or change a prescribed medicine on your own. Even a medicine that seems unnecessary may be treating something important. Talk with a clinician or pharmacist first.

Simple tools also lower the chance of mistakes:

• A weekly pill organizer makes it easy to see whether a dose was taken.
• One pharmacy for every prescription lets the pharmacist check for interactions across the whole list.
• Pharmacy packaging and refill timing. Some pharmacies can package each day’s medicines together or line up refills for one pickup day each month. Packaging may cost a little more.
• A written list kept at home and in a wallet, brought to every appointment and hospital stay.

How a Video Visit Can Help

A medication review works well by video. The patient can sit at the kitchen table with every bottle within reach and hold each label up to the camera. With the patient’s permission, an adult child or other caregiver can join the visit to share observations, recent blood pressure readings and questions.

At Wade’s Care First, a clinician can go through the list, talk about dizziness or falls, order lab tests at a local facility and send any prescription changes to your pharmacy. Routine refill visits are for established patients and non-controlled medicines. A visit does not guarantee any specific medication or change. A fall with injury, new weakness or a problem that needs a hands-on exam may need in-person care.

For more ways to help, read how to keep your aging parent’s health on track and our guide to geriatric care and supporting independence.

When to Get Care Right Away

Call 911 or go to an emergency department for:

• Chest pain or trouble breathing
• Signs of a stroke, such as face drooping, arm weakness or trouble speaking
• Sudden confusion, fainting or being very hard to wake
• A fall with a head injury or a possible broken bone
• Swelling of the face, lips or throat after a new medicine

Don’t wait for a video visit for these.

If a medicine seems to be causing milder problems, such as dizziness or constipation, contact your clinician or pharmacist soon rather than stopping it on your own.

The Short Answer

Polypharmacy is common in older adults, and it is not always a problem. But as the number of medicines grows, so does the chance of side effects, interactions and falls. Watch for new symptoms after a medicine change, bring every bottle to a full medication review and make any changes with a clinician, never on your own.

Learn more on our geriatric care page.

Get Support

Wade’s Care First provides telehealth care in Arizona, Florida, Illinois, Indiana, Kentucky, Michigan, Nevada and New York, with same-day appointments when available. Visits are with Charles Wade, FNP-BC, a board-certified family nurse practitioner.

We accept many major insurance plans, including Original Medicare (Indiana only), Medicaid (Indiana, Illinois and Nevada only), UnitedHealthcare, Aetna, Humana and Cigna. Plan participation varies by state, and self-pay visits are available.

Gather every bottle and book a medication review so you and your family can feel confident about each medicine.

Book at wadescarefirst.com.