RESUMONo quesito armazenamento dos medicamentos foram revelados problemas quanto à infiltração/umidade. A dispensação deles, na maioria das vezes, é realizada por auxiliares de enfermagem nas USFs, não existindo capacitação periódica desses profissionais. Conclusão: Foi constatado que a AF na Atenção Primária em Petrolina enfrenta dificuldades relacionadas à falta de apoio estrutural para o trabalho, além da falta de medicamentos e capacitação incipiente dos profissionais. Estes problemas são considerados passíveis de serem minimizados ou superados a partir da adoção da prática de reorientação da AF incentivada pela Política Nacional de Medicamentos.Palavras-chave: assistência farmacêutica; política nacional de medicamentos; atenção primária à saúde. ABSTRACT Introduction:The Pharmaceutical Service (PS) currently represents one of the sectors with greatest financial impact in the Departments of Health and the trend on demand for drugs is growing. The absence of effective management can lead to a big waste of scarce resources. Objective: To evaluate the PS in the city of Petrolina, Brazil, describing the characteristics of the cycle steps performed by the municipality. Method: Longitudinal and descriptive study with qualitative and quantitative approach, developed by applying semi-structured questionnaires to volunteers from 15 of the Family Health Facilities (FHF). Results: It was shown that 80% of the studied USF perform the forecasting stage of the cycle of PS. However, there is no update on the shelve sheets in 20% of FHF and only 47% use the tracking stock. On the issue of storage of medicines, problems were revealed about the infiltration/moisture.

Turnera diffusa WILLD is a plant used in folk medicine as a natural stimulant, and the objective of this research is to perform the phytochemical analysis of the secondary metabolites of the damiana of occurrence in the Juazeiro region, northern Bahia - Brazil. A phytochemical screening was performed from three Crude Ethanol Extracts (BSE), EEB1: leaves and flowers; EEB2: stems and EEB3: root. A thin analytical layer chromatography was performed using specific developers to detect each chemical class. Alkaloids, coumarins, anthranic derivatives, phenolic compounds, mono, sequi and diterpenes, naphthoquinones, triterpenes and steroids, saponins, hydrolyzed tannins and xanthines were identified in the three extracts. Only in the BSE of leaves and flowers observed the presence of antroquinones and aglycones. The secondary metabolites identified in the study evidence the pharmacological potential of Turnera diffusa. Phytochemical screening concluded the presence of fourteen classes of secondary metabolites in damiana, indicating important medicinal potential with pharmacological effects reported in the literature.

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