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      Herbal medicines supplied by community pharmacies in Lagos, Nigeria: pharmacists´ knowledge Translated title: Plantas medicinales suministradas por farmacias comunitarias en Lagos, Nigeria: conocimiento de los farmacéuticos

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          Abstract

          Background: The use of herbal medicines is on the increase globally and they are usually supplied in pharmacies as non-prescription medicines. Pharmacists are, therefore, responsible for educating and informing the consumers about rational use of herbal medicines. Objectives: To evaluate the knowledge of pharmacists in Lagos, Nigeria with regards to the herbal medicines they supplied by their pharmacies. Methods: Pharmacists in charge of randomly selected 140 community pharmacies from 20 Local Government Areas in Lagos were required to fill out a self-administered questionnaire. We gathered information on their knowledge of the indications, adverse effects, potential drug-herb interactions and contraindications of the herbal medicines they supply in their pharmacies. Results: Of the 140 questionnaires distributed, 103 (72.9%) participants completed the questionnaire appropriately. The majority (74; 71.8%) of the participants were males and 36-50 years (56; 54.4%). The pharmacies supplied mostly Yoyo cleanser bitters® (101; 98.5%), ginseng (97; 98.5%), Jobelyn® (91; 88.3%), Ciklavit® (68; 66.6%), gingko (66; 64.1%), herbal tea (66; 64.1%), and Aloe vera (57; 55.3%). The pharmacists self-rated their knowledge of herbal medicines mostly as fair (39%) and good (42%), but they exhibited poor knowledge with regards to the indications, contraindications and safety profiles. Seventy participants consulted reference materials such as leaflet insert in the herbal medicines (56%) and internet (20%) before supplying herbal medicines. The information most frequently sought was herb-drug interactions (85%), contraindications (75%) and adverse effects (70%). Conclusions: Community pharmacists need to be informed about the indications and safety profiles of herbal medicines.

          Translated abstract

          Antecedentes: El uso de plantas medicinales está en aumento en todo el mundo y son vendidas en farmacias comunitarias como medicamentos sin receta. Los farmacéuticos son, por tanto, responsables de educar e informar a los consumidores sobre el uso racional de las plantas medicinales. Objetivos: Evaluar el conocimiento de los farmacéuticos de Lagos, Nigeria sobre las plantas medicinales suministradas en sus farmacias. Métodos: Se pidió a los farmacéuticos encargados de 140 farmacias comunitarias aleatoriamente seleccionadas en las 20 áreas de Gobiernos locales de Lagos que rellenasen un cuestionario auto-administrado. Recogimos información sobre su conocimiento de las indicaciones, efectos adversos, potenciales interacciones planta-medicamento y contraindicaciones de las plantas medicinales que suministraban en sus farmacias. Resultados: De los 140 cuestionarios distribuidos, 103 participantes (72,9%) lo completaron adecuadamente. La mayoría (74; 71,8%) de los participantes eran hombres y tenían entre 36-50 años (56; 54,4%). Las farmacias suministraban en su mayoría Yoyo cleanser bitters® (101; 98,5%), ginseng (97; 98,5%), Jobelyn® (91; 88,3%), Ciklavit® (68; 66,6%), gingko (66; 64,1%), herbal tea (66; 64,1%), and Aloe vera (57; 55,3%). Los farmacéuticos auto-calificaron su conocimiento sobre plantas medicinales mayoritariamente como escaso (39%) y bueno (42%), pero demostraron poco conocimiento en relación a las indicaciones, contraindicaciones y perfiles de seguridad. 70 participantes consultaban materiales de referencia como los prospectos (56%) e Internet (20%) antes de suministrar una planta medicinal. La información vista más frecuentemente fueron las interacciones planta-medicamento (85%), contraindicaciones (75%) y efectos adversos (70%). Conclusiones: Los farmacéuticos comunitarios necesitan más información sobre indicaciones y perfiles de seguridad de las plantas medicinales.

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          African herbal medicines in the treatment of HIV: Hypoxis and Sutherlandia. An overview of evidence and pharmacology

          In Africa, herbal medicines are often used as primary treatment for HIV/AIDS and for HIV-related problems. In general, traditional medicines are not well researched, and are poorly regulated. We review the evidence and safety concerns related to the use of two specific African herbals, which are currently recommended by the Ministry of Health in South Africa and member states for use in HIV: African Potato and Sutherlandia. We review the pharmacology, toxicology and pharmacokinetics of these herbal medicines. Despite the popularity of their use and the support of Ministries of Health and NGOs in some African countries, no clinical trials of efficacy exist, and low-level evidence of harm identifies the potential for drug interactions with antiretroviral drugs. Efforts should be made by mainstream health professionals to provide validated information to traditional healers and patients on the judicious use of herbal remedies. This may reduce harm through failed expectations, pharmacologic adverse events including possible drug/herb interactions and unnecessary added therapeutic costs. Efforts should also be directed at evaluating the possible benefits of natural products in HIV/AIDS treatment.
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            Buyer beware? Does the information provided with herbal products available over the counter enable safe use?

            Background Herbal products obtained over the counter are commonly used in Europe, North America and Australia. Although there is concern about a lack of information provided to consumers to allow the safe use of these products, there has been no published research to confirm these fears. In this study, we evaluated written information provided with commonly used herbal products in the UK in advance of a European Union Directive issued in April 2011 that tightened regulations for some herbal products, including requirements to provide safety information. Methods Five commonly used herbal products were purchased from pharmacies, health food shops and supermarkets: St John's wort, Asian ginseng, echinacea, garlic and ginkgo. Written information provided with the products (on the package or on a leaflet contained in the package) was evaluated for inclusion of each of the key safety messages included in the monographs of the US National Center for Complementary and Alternative Medicine. Specifically, we looked for information on precautions (such as Asian ginseng not being suitable for people with diabetes), interactions with conventional medicines (such as St John's wort with the contraceptive pill and warfarin) and side effects (such as ginkgo and allergic reactions). Results Our analysis showed that, overall, 51 (75%) of 68 products contained none of the key safety messages. This included 4 of 12 St John's wort products, 12 of 12 ginkgo products, 6 of 7 Asian ginseng products, 20 of 21 garlic products and 9 of 13 echinacea products. The two products purchased that are registered under the new European Union regulations (for St John's wort) contained at least 85% of the safety messages. Conclusions Most of the herbal medicine products studied did not provide key safety information which consumers need for their safe use. The new European Union legislation should ensure that St John's wort and echinacea products will include the previously missing information in due course. The legislation does not apply to existing stock. Depending on therapeutic claims made by manufacturers, garlic, ginkgo and Asian ginseng products may not be covered by the legislation and can continue to be bought without the safety information. Also, consumers will still be able to buy products over the internet from locations outside European Union jurisdiction. Potential purchasers need to know, in both the short term and the long term, how to purchase herbal products which provide the information they need for the safe use of these products.
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              Availability and needs of herbal medicinal information resources at community pharmacy, Riyadh region, Saudi Arabia.

              A cross-sectional survey of community pharmacists in Riyadh region, Saudi Arabia was conducted over a period of 6 months from July through December 2011. Data collection was carried out using a structured self-administered questionnaire. The survey questionnaire consisted of a brief introduction to the study and eleven questions. The questions consisted of close ended, multiple-choice, and fill-in short answers. A stratified random sample of one thousand and seven hundred registered pharmacy practitioners all over Saudi Arabia were randomly chosen to respond to the survey. The data from each of the returned questionnaire were coded and entered into Statistical Package for the Social Sciences (SPSS) version 19 software (SPSS Inc., Chicago, IL, USA) which was used for statistical analysis. Only one thousand four hundred one pharmacists responded to the survey (response rate is 82.4%) with a completely answered questionnaire. The study results show that 59.7% of the participants sometimes discuss herbal medicine use with their patients, while only 4.25% never discuss it. The study shows 48.5% of participated pharmacists record herbal medicine use sometimes where only 9.4% of them never did so. However, with regard to initiation of the discussion, the study shows that 44.3% of the respondents reported that patients initiate herbal issue discussion while 20.8% reported that pharmacists initiate the discussion. This discussion was reported to be a one time discussion or an ongoing discussion by 14.3% or 9.9% of the respondents respectively. According to the study results, respondents reported that the most common barriers that limit discussing herbal medicines' use with their patients were lack of time due to other obligations assigned to the community pharmacist (46%), lack of reliable resources (30.3%), lack of scientific evidence that support herbal medicine use (15.2%), or lack of knowledge of herbal medicines (13.4%). Yet, a small number of respondents was concerned about interest in herbal medicines (9.1%) and other reasons (2.4%). So it is urgent to ensure that pharmacists are appropriately educated and trained. Extra efforts are needed to increase the awareness of pharmacists to adverse drug reactions reporting system at Saudi Food and Drug Authority. Finally, more consideration to herbal issues should be addressed in both pharmacy colleges' curricula and continuous education program..
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                pharmacy
                Pharmacy Practice (Granada)
                Pharmacy Pract (Granada)
                Centro de Investigaciones y Publicaciones Farmacéuticas
                1885-642X
                December 2013
                : 11
                : 4
                : 219-227
                Affiliations
                [1 ] Lagos State University Nigeria
                [2 ] Lagos State University Nigeria
                Article
                S1885-642X2013000400007
                ee263aed-fc68-483d-89b7-894888183343

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 International License.

                History

                Fitoterapia,Plantas medicinales,Interacciones de Planta-Medicamento,Farmacias,Farmacéuticos,Conocimientos,Actitudes y Práctica en Salud,Nigeria,Phytotherapy,Herbal Medicine,Herb-Drug Interactions,Pharmacies,Pharmacists,Health Knowledge,Attitudes,Practice

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