Abstract
Background: Poor adherence (compliance) is common with antihypertensive medications among elderly patients. As the elderly people are prone to multiple comorbidities, they are at higher risk of polypharmacy and therefore may present with a higher risk of non-adherence to medications compared to the younger population. The study was conducted to investigate the impact of pharmacist counseling on medication adherence among elderly hypertensive patients.
 Methods: The elderly hypertensive patients who visited the out-patient department at Chitwan Medical College (CMC) between August to November 2018. The face-to-face interview was conducted among 332 elderly hypertensive patients, selected with the purposive sampling technique. A paired t-test was used to show the difference between pre-test and post-test medication adherence.
 Results: It was found that 13.85% of patients were poor adherent and 86.14% low adherent in the intervention and the control group. The major reason for non-adherence was found to be carelessness about taking medicine (97%). The adherence score for intervention group changed from 1.60±0.83 to 3.95±0.56 (p-value < 0.001) while in the control group the average score before and after follow up was 1.48±0.77 and 1.51±0.80 (p=0.373) respectively. Blood pressure status improved in the intervention group than the control group (p<0.001). Polypharmacy was 27.71%, 15.66% of whom experienced adverse drug reactions.
 Conclusion: The patient medication counseling had a good impact on hypertensive patients. All factors of the Morisky Green Levine adherence scale improved after counseling and motivation. Pharmacist-led counseling improved medication adherence among elderly hypertensive patients.
Highlights
Hypertension (HTN) is a worldwide disease, which is projected to cause more than 7 million deaths annually.[1]
As the elderly people are prone to multiple comorbidities, they are at higher risk of polypharmacy and may present with a higher risk of non-adherence to medications compared to the younger population
The patient medication counseling had a good impact on hypertensive patients
Summary
Hypertension (HTN) is a worldwide disease, which is projected to cause more than 7 million deaths annually.[1]. As a consequence of non-adherence, there is a reduction in therapeutic value for the patient, recurrent hospitalization and hospital visits.[4,5] Unsuitable usage of medicines is one of the public health challenges and may lead to serious adverse drug reactions (ADRs),[6,7] which leads to hospital admissions, lengthy hospital stays, economical burden and increased morbidity and mortality.[8,9] Polypharmacy in elderly individuals poses an important threat to well-being; it is hard to escape. As the elderly people are prone to multiple comorbidities, they are at higher risk of polypharmacy and may present with a higher risk of non-adherence to medications compared to the younger population. The study was conducted to investigate the impact of pharmacist counseling on medication adherence among elderly hypertensive patients
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