Your parent's cardiologist prescribes a blood thinner. Their orthopaedic doctor adds a pain medication. Their GP has been giving them a sleeping tablet for years. A neurologist recently added a memory drug. And somewhere along the way, they started taking a supplement for joint health that they ordered online.

Nobody has looked at the full list together. Nobody has asked whether these medications interact. Nobody has checked whether some of them are still needed — or whether the side effects of one drug are being treated with another drug.

This is polypharmacy. And in elderly patients in India, it is extremely common, poorly recognised, and frequently dangerous.

What polypharmacy actually means

The clinical definition of polypharmacy is the concurrent use of five or more medications by a single patient. In practice, many elderly patients in India — particularly those with diabetes, hypertension, heart disease, or arthritis — are on eight, ten, or even twelve medications simultaneously.

The problem is not the number by itself. A patient with complex medical needs may genuinely require several medications. The problem is unreviewed, uncoordinated polypharmacy — where multiple specialists are prescribing independently, nobody holds the complete picture, and nobody has assessed whether the cumulative medication burden is helping or harming the patient.

40–50%
of elderly patients in India with multiple chronic conditions are estimated to be on five or more medications simultaneously — many prescribed by different specialists with no coordinator reviewing the full list.

Why it's especially dangerous in older patients

Ageing changes how the body processes medication. The kidneys and liver — which metabolise and excrete drugs — become less efficient. Body composition shifts, changing how drugs are distributed in the body. The brain becomes more sensitive to certain drug classes. These physiological changes mean that a dose appropriate for a 45-year-old can be toxic in a 75-year-old.

At the same time, older patients are more likely to have multiple conditions requiring multiple drugs. The combination creates a particular danger: drug-drug interactions and drug-disease interactions that no individual prescriber is in a position to catch.

Here are some common but underrecognised examples:

  • An antihistamine prescribed for allergy can worsen confusion in a patient already showing early cognitive decline
  • A proton pump inhibitor (for acidity) taken long-term can cause magnesium deficiency, which can cause muscle weakness and falls
  • A sleeping tablet combined with a blood pressure medication can cause orthostatic hypotension — dizziness on standing — which is a leading cause of falls and hip fractures
  • NSAIDs (common pain medications) can worsen kidney function and raise blood pressure, directly counteracting blood pressure medications
  • Certain antidepressants combined with specific cardiac medications can cause dangerous heart rhythm abnormalities
The "prescribing cascade"

One of the most common patterns in polypharmacy is the prescribing cascade: a drug causes a side effect, which is misidentified as a new medical condition, which is then treated with another drug. For example: a calcium channel blocker causes ankle swelling → the swelling is treated with a diuretic → the diuretic causes potassium loss → potassium supplements are prescribed. The original cause — the calcium channel blocker — is never questioned.

Signs that your parent may be harmed by polypharmacy

The tricky thing about polypharmacy-related harm is that it is often mistaken for the symptoms of ageing itself. Families frequently say, "She's just getting older — that's why she's so unsteady," or "He's always confused in the evenings now, it must be his age." Sometimes, it's the medications.

Sudden confusion or worsening memory
Anticholinergic drugs, sedatives, and sleeping tablets can all cause or worsen cognitive impairment in the elderly.
Falls or dizziness on standing
Multiple blood pressure medications, diuretics, and sedatives together can cause blood pressure to drop sharply when the person stands up.
Loss of appetite or significant weight loss
Several drug classes can suppress appetite or cause nausea — a serious concern in elderly patients already at nutritional risk.
Increasing fatigue or weakness
Beta-blockers, statins, and diuretics can all contribute to fatigue. When several are taken together, the effect can be significant.
Poor medication adherence
When an elderly patient is on 8–10 medications, errors become nearly inevitable — missed doses, doubled doses, wrong timing — often leading to worse outcomes.
New "unexplained" symptoms
A new symptom in an elderly patient on multiple medications should always raise the question: could this be a drug side effect or interaction?

The Indian healthcare context makes this worse

In India, specialist care is fragmented by design. Patients see a cardiologist for heart disease, a diabetologist for diabetes, a neurologist for any cognitive concerns, an orthopaedic surgeon for joint pain, and their neighbourhood GP for everything else. Each of these doctors is an expert in their own domain. None of them is responsible for the whole patient.

This is not a failure of individual doctors. It is a structural gap. Geriatric medicine exists precisely to fill this gap — to be the doctor who holds the whole picture, reviews the complete medication list, and makes decisions with the patient's overall health and function as the priority, not just the numbers in a single domain.

What a polypharmacy review looks at

A structured medication review by a geriatric specialist examines every medication your parent takes — prescribed, over-the-counter, and supplements — against validated criteria (such as the Beers Criteria and STOPP/START criteria) designed specifically for elderly patients. The goal is to identify medications that are inappropriate for older adults, interactions that increase risk, and medications that can be safely stopped — which is called deprescribing.

What families can do

If your parent sees multiple specialists, there are some practical steps that can reduce risk even before a formal review:

  1. Keep one master medication list — a single document listing every medication by name, dose, timing, and the doctor who prescribed it. Bring this to every specialist appointment.
  2. Include all non-prescription items — supplements, Ayurvedic preparations, antacids, and any over-the-counter drugs must be on the list. Many families omit these, but they can have significant interactions.
  3. Ask "is this still needed?" at every review — medications are often started for a short-term reason and never stopped. Some may no longer be appropriate.
  4. Be alert to new symptoms — particularly confusion, dizziness, falls, or fatigue. Raise the possibility of drug side effects explicitly with the treating doctor.
  5. Request a formal medication review — a geriatric specialist can conduct a systematic review of the entire medication list and coordinate with other specialists to safely simplify the regimen.

The aim of a polypharmacy review is not to take medications away. It is to ensure that every medication your parent is taking is doing more good than harm — and that the overall combination is as safe as it can be for someone of their age and medical complexity.

If you have concerns about your parent's medication burden in Kolkata, a home visit from a geriatric specialist can include a full polypharmacy review as part of a comprehensive geriatric assessment.