Table 1. Perceived barriers to the implementation of clinical pharmacy services in some public health units in a metropolis in Northeast Brazil.

Categories	Accredited pharmacists	Non-accredited pharmacists	Managers
Local healthcare network	- Health professionals’ stoppages and strikes. - Shortage of drugs and devices. - Lack of adequate physical structure in some health units. - Unawareness of some managers regarding CPS.	- Shortage of drugs and devices. -Lack of adequate physical structure in health units. - Dismissals and lack of sufficient human resources. - Physical distance between some health units and the pharmacists' workplaces.	- Unfavorable political, administrative, and economic environment. - Shortage of drugs and devices. - Lack of adequate physical structure in some health units. - Lack of information about rational drug use in the local healthcare networks. -Managers’ resistance to implement the CPS.
Healthcare team	- Unawareness of the healthcare team about the pharmacists’ work.	- Healthcare team resistance to implement CPS.	- Lack of understanding of the healthcare team about the implementation of CPS. - Unawareness of the healthcare team about the pharmacists’ work.
Pharmacists	- Insufficient clinical education and training during undergraduate degree in Pharmacy. - Difficulty in recruiting patients. - Difficulty understanding the implementation of CPS. - Lack of adaptation among the healthcare team.	- Difficulty in reconciling the clinical and logistic activities. - Gaps in pharmacist-health unit communication. - Decline of the pharmacist and healthcare team relationship. - Pharmacists’ resistance to implement the CPS. - Difficulty in recruiting patients.	- Insufficient clinical education and training during undergraduate degree in Pharmacy. - Difficulty in reconciling the clinical and logistic activities. - Pharmacists who graduated a long time ago. - Lack of initiative and proactivity in the healthcare team. - Pharmacists resistance to implement the CPS.
Implementation process of the CPS	- Inappropriate period to implement CPS. - Short period to implement CPS. - CPS not tailored to the health unit and patients. - Poor marketing strategies. - Lack of prior evaluation of pharmacists’ clinical competences.	- Inappropriate period to implement the CPS.	- Lack of electronic health records (documentation system). - Need for adequate physical structure in the health units, and a change in the pharmacists' work processes.
Patients	-Lack of understanding about CPS.	- Resistance and lack of awareness among the patients regarding CPS.	Not related.