The Pharmacist’s Role

 

Pharmacists are among the most accessible healthcare professionals—and play a central role in supporting medication adherence. Because they work directly with patients during dispensing, counselling, and follow-up, pharmacists are uniquely positioned to identify barriers, reinforce understanding, simplify regimens, and help patients stay on track. 

Pharmacy-led interventions consistently demonstrate measurable improvements in adherence, clinical outcomes, medication safety, and continuity of care across chronic conditions. 

Medication Expertise & Patient Education

Pharmacists help patients understand why a medication is needed, how to take it, what to expect, and how to manage side effects—key factors that reduce both unintentional and intentional non-adherence. 

Why Pharmacists Are Essential to Medication Adherence

Early Identification of Barriers

Through frequent patient interaction, pharmacists can detect issues such as: 

  • cost concerns 

  • confusion about directions 

  • side effects 

  • regimen complexity 

  • low health literacy 

  • difficulty managing multiple medications 

These barriers are strongly associated with non-adherence and poorer clinical outcomes [1,4].

Medication Synchronization 

Aligning all prescriptions to the same pick-up date reduces refill gaps and simplifies routines. Synchronization decreases missed refills and supports long-term persistence—one of the strongest predictors of positive outcomes [3,11].

Medication Therapy Management (MTM) 

MTM services—structured medication reviews, reconciliation, personalized care plans, and follow-up—have been shown to significantly improve adherence and clinical markers in chronic conditions such as kidney transplantation, diabetes, and cardiovascular disease [12,13].

Monitoring & Ongoing Follow-Up

Regular follow-up allows pharmacists to check adherence, review changes, adjust support strategies, and reinforce proper use. In one landmark trial, patients receiving structured pharmacy care—including time-specific blister packaging—achieved adherence rates near 97%, compared with 61% at baseline [19].

Pharmacist providing one-on-one guidance to a patient about their medication routine

How Pharmacists Enable Better Clinical Outcomes

Research consistently shows that pharmacy-led adherence support leads to: 

  • Reduced hospitalizations and readmissions 
    Pharmacist-driven interventions are associated with fewer medication-related hospital visits and prevented medication errors [3,31]. 

  • Improved disease control 
    Better adherence through pharmacist engagement results in improved blood pressure, HbA1c, lipid levels, and other clinical measures across chronic disease groups [2,9,12,19]. 

  • Increased patient confidence and independence 
    Packaging programs delivered through community pharmacies improve confidence, organization, and perceived quality of life [15]. 

  • Higher long-term persistence 
    When pharmacist engagement ends, persistence declines—demonstrating the importance of ongoing support [19]. 


Pharmacists & Adherence Packaging: A Powerful Combination

Pharmacists are central to the successful implementation of adherence packaging, including blister packs, multi-dose systems, and smart packaging technologies. 

Pharmacy teams ensure that blister packs are: 

  • filled accurately 

  • coordinated with synchronized fills 

  • reviewed monthly for changes 

  • paired with counselling and behavioural support 

  • tailored to patient needs and abilities

Pharmacist reviewing medication information with a patient at the pharmacy counter

Studies show blister packaging is most effective when provided through a pharmacy, rather than self-managed by patients using pill organizers [14,22]. 

The Bottom Line

Pharmacists deliver an essential layer of support that helps patients take their medications safely, consistently, and confidently. When paired with structured dispensing and adherence packaging, pharmacy-led care becomes one of the most reliable and scalable ways to improve adherence, reduce avoidable healthcare use, and strengthen chronic disease management. 

 
Previous: The Solution
Next: Adherence Packaging