From Prescription List to Prevention Plan: How Medication Therapy Management Is Keeping Canadians Out of the Emergency Room
When Your Medication List Becomes a Risk Factor
For many Canadians living with chronic conditions such as type 2 diabetes, heart failure, chronic obstructive pulmonary disease, or hypertension, the prescription list grows longer over time. Each new specialist adds a medication. Each flare-up prompts an adjustment. Before long, a patient may be managing eight, ten, or even twelve different drugs simultaneously — a situation clinicians refer to as polypharmacy.
Polypharmacy is not inherently dangerous, but it substantially raises the risk of adverse drug events. According to data from the Canadian Institute for Health Information, medication-related problems contribute to a significant proportion of preventable hospital admissions each year in Canada. The costs are staggering — a single emergency department visit can run between $1,000 and $2,500, and a multi-day hospitalisation can exceed $10,000 when all associated care is factored in.
What many patients do not realise is that their pharmacist possesses a structured clinical tool specifically designed to intercept these problems before they escalate. That tool is medication therapy management, and it remains one of the most overlooked services in Canadian pharmacy care.
What Medication Therapy Management Actually Involves
Medication therapy management — commonly abbreviated as MTM — is a formal, pharmacist-led clinical service in which a patient's complete medication regimen is reviewed comprehensively. This goes well beyond the brief counselling that occurs at the point of dispensing. An MTM session typically lasts between 30 and 60 minutes and involves a detailed assessment of every prescription drug, over-the-counter product, vitamin, and natural health supplement a patient is taking.
During this review, the pharmacist evaluates several critical dimensions:
- Drug-drug interactions: Some combinations that appear safe in isolation become hazardous together. A classic example is the concurrent use of warfarin and certain anti-inflammatory medications, which can dramatically elevate bleeding risk.
- Therapeutic duplication: Patients who see multiple specialists sometimes end up with two medications from the same drug class performing the same function — effectively doubling the dose and the side-effect burden without additional benefit.
- Inappropriate dosing for renal or hepatic function: Many drugs require dose adjustments in patients with kidney or liver impairment. These adjustments are sometimes missed when prescriptions originate from different providers.
- Adherence barriers: The pharmacist can identify whether a patient is actually taking medications as prescribed, and if not, explore whether cost, side effects, or confusion about the regimen is the underlying cause.
- Therapeutic gaps: In some cases, a patient with a confirmed diagnosis is not receiving a medication that evidence strongly supports — a statin for a patient with established cardiovascular disease, for instance.
At the conclusion of the review, the pharmacist produces a medication action plan, a written summary of identified issues and recommended interventions, which is typically shared with the patient's physician or nurse practitioner.
A Closer Look: How MTM Prevents Real-World Harm
Consider a 71-year-old patient in Hamilton, Ontario, managing atrial fibrillation, type 2 diabetes, and chronic kidney disease. She was prescribed a direct oral anticoagulant by her cardiologist, metformin by her endocrinologist, and a new NSAID by her family physician for osteoarthritis pain. None of the three practitioners had a complete picture of her full medication list.
During a routine MTM session at her community pharmacy, the pharmacist identified two urgent concerns: the NSAID was contraindicated with her level of renal impairment, and it was also increasing her bleeding risk in combination with the anticoagulant. The pharmacist contacted her family physician directly, proposed an alternative analgesic, and documented the interaction. Within a week, the NSAID was discontinued. The patient avoided what could plausibly have been a gastrointestinal bleed or acute kidney injury — either of which would have required hospitalisation.
This type of intervention is not exceptional. Pharmacists conducting regular MTM reviews report finding clinically significant issues in a substantial proportion of patients with complex medication regimens.
Province-by-Province: Where MTM Coverage Stands in Canada
Access to funded MTM services varies considerably across the country, which is an important reality for Canadian patients to understand.
Ontario has one of the more developed frameworks. Under MedsCheck, the province funds annual comprehensive medication reviews for patients taking three or more chronic medications, with additional provisions for residents of long-term care facilities and patients with diabetes. However, advocates have noted that uptake remains lower than it could be, partly due to limited patient awareness.
British Columbia offers the Medication Review Services program through the BC PharmaCare system, providing funded reviews for eligible patients — particularly seniors and those managing complex chronic conditions. Pharmacists in BC have also seen expanded scope-of-practice legislation in recent years that supports more proactive clinical roles.
Alberta funds a Comprehensive Annual Care Plan service for patients with complex needs, delivered in part by pharmacists who hold additional prescribing authority under provincial legislation. Alberta pharmacists are among the most empowered in the country in terms of independent clinical practice.
Manitoba and Saskatchewan offer more limited publicly funded MTM services, though patients with private drug insurance may find that their plans include coverage for pharmacist consultations. It is worth contacting your insurer directly to confirm.
Quebec has a distinct pharmacy regulatory structure, and while comprehensive MTM as a standalone billable service is less uniformly available, pharmacists in the province have expanded clinical roles that include medication reconciliation and follow-up care.
Atlantic Canada provinces — Nova Scotia, New Brunswick, Prince Edward Island, and Newfoundland and Labrador — have been gradually expanding pharmacist scope of practice, though publicly funded MTM programs remain less comprehensive than in Ontario or BC. Private coverage and out-of-pocket fees may apply.
For patients uncertain about their coverage, the most direct path is to ask your pharmacist what medication review services are available and whether they are funded under your provincial plan or private insurance.
The Cost Argument: Why MTM Pays for Itself
From a purely financial perspective, the case for investing in MTM is compelling. A 2019 analysis published in the Canadian Pharmacists Journal estimated that pharmacist-led medication reviews could prevent a meaningful percentage of drug-related hospitalisations — and that even modest reductions in adverse drug events would produce substantial savings for provincial health systems.
For patients with private drug coverage, it is worth reviewing your plan's extended health benefits section. Many employer-sponsored plans now include an allowance for pharmacist clinical services, which can cover all or part of an MTM consultation in provinces where public funding is not available.
For patients paying out of pocket, fees for a comprehensive medication review typically range from $75 to $150 depending on the province and the pharmacy. Weighed against the potential cost — financial and physical — of an avoidable hospitalisation, this represents a sound investment in preventive health.
How to Request an MTM Consultation
The process is more straightforward than many patients expect. Begin by contacting your regular pharmacy and asking whether they offer comprehensive medication reviews or medication therapy management services. Bring a complete list of everything you take, including non-prescription items and supplements. Be prepared to discuss your health conditions, recent lab results if available, and any symptoms or concerns you have noticed.
If your pharmacist is not currently offering this service, a referral to a pharmacy that specialises in clinical services or a clinical pharmacist consultant may be appropriate — particularly for patients managing four or more chronic medications.
Medication therapy management will not replace your physician. What it will do is ensure that the medications your physicians have prescribed are working together rather than against one another — and that is a distinction that could, quite literally, keep you out of the emergency room.