Abstract
Objective: The aim of this study was to evaluate the influence of pharmaceutical care on the control of high blood pressure (BP) in hypertensive patients.
 Methods: The study included thirty hypertensive patients from primary or secondary healthcare located in the south of São Paulo, Brazil.
 Results: The majority of patients was aged over 60 years (68.75%), non-smokers (90%), non-alcoholics (93.33%), did not practice physical activities (93.33%), and presented comorbidities and polypharmacy. The most common drug-related problems were drug-drug interactions, missed doses, incorrect frequency or time of administration, incorrect patient administration technique, and self-medication. The interventions used during the pharmaceutical consultations (PC) were based on the organization of medicines with tools such as a pillbox organizer (84.38%). A significant improvement in BP control (p<0.05) was observed when comparing BP measurements before and after the PC; however, the number of PCs did not influence the BP reduction.
 Conclusion: Patient guidance and a simple intervention favor better patient understanding of medication administration schedules.
Highlights
The Unified Health System (UHS) in Brazil gives great importance to pharmaceutical care [1]
The clinical pharmacist is a professional involved in a multidisciplinary team, which is of paramount importance to obtain adequate pharmacotherapy [2]
Data collection was performed by consulting medical records, medical prescriptions, laboratory records, and reports of pharmaceutical consultations (PC) applied by pharmaceutical professionals of health units during the process of pharmaceutical care to patients referred by the multidisciplinary team of the units
Summary
The Unified Health System (UHS) in Brazil gives great importance to pharmaceutical care [1]. The clinical pharmacist is a professional involved in a multidisciplinary team, which is of paramount importance to obtain adequate pharmacotherapy [2]. In October 2013, a two-step pharmaceutical care plan was implemented in Curitiba – Parana state, Brazil, to create clinical pharmacies with professionals capable of performing appropriate patient care [3]. Brazilian pharmaceutical care has not been developed in a standardized manner, as the policy of each municipality contains a distinct pharmaceutical care model. The pharmaceutical care service was established by the Secretary of Municipal Health of São Paulo in the primary healthcare and specialty network, through Ordinance 1918/2016 - SMS.G, published in the Official Gazette of the City of São Paulo on October 27, 2016 [7]. Pharmacotherapeutic follow-up for UHS users should strengthen adherence to drug treatment, mainly in cases of noncommunicable chronic diseases, which may result in a reduction in hospital admissions in urgency and emergency units [7]
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