Patients with hypertension and other comorbidities have difficulties adhering to their medications which have negative impacts on clinical outcomes. Although some studies have identified strategies to improve medication adherence, a thorough analysis of these interventions will provide synthesized evidence for clinical decision-making and improved health outcomes for patients with hypertension comorbidities. To conduct a scoping review on interventions that have been utilised to improve medication adherence in patients with hypertension and other co-morbid conditions. A systematic literature search was conducted in the following databases: CINAHL, COCHRANE TRIALS, MEDLINE, and SCOPUS. One (1) search engine, GOOGLE SCHOLAR was included. This was done between September 2023 to February 2024. The PRISMA-SCR guidelines were followed for this review. A total of 456 unique studies were identified after duplicates were removed. Following screening and eligibility assessments, 26 papers were selected for review with a focus on the study aim and purpose, study population, interventions used and adherence measures. Most of the interventions were delivered by pharmacists, with 25 studies utilising the multimodal intervention approach. A total of 22 studies (80% of the total) found that the interventions significantly improved medication adherence. Results from 16 studies showed a significant improvement in blood pressure. Improvements in medication adherence were a common outcome of interventions that focused on patient education. Interventions such as patient education, simplified treatment regimens, and multidisciplinary care can improve medication adherence and clinical outcomes in patients with hypertension and comorbidities, but further research is needed to understand long-term effects.
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