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Nigerian Quarterly Journal of Hospital Medicine

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Evaluation of knowledge and practice of pharmaceutical waste disposal in hospitals and pharmacies within Lagos State, Nigeria

J.A. Oladimeji-Salami, F.T. Lawal, O Ajasa, G.O. Afolayan, A.J. Akindele, S.O. Olayemi, O.O. Adeyemi

Abstract


Background: Treatment and disposal of waste is a major challenge in most developing countries, including Nigeria. Improper disposal of pharmaceutical waste could have negative impact on the environment and human health as they can cause harmful effects.

Objectives: This study assessed the knowledge and practise of healthcare personnel in Lagos State, Nigeria towards pharmaceutical waste disposal.

Methods: The study was a cross-sectional descriptive survey carried out using structured questionnaires. Target respondents were healthcare workers involved in the use and disposal of pharmaceutical waste in several hospitals and pharmacies located within the State. Data were analysed using the Statistical Package for Social Sciences (SPSS) version 20 and presented as tables and charts using descriptive and inferential statistics.

Results: There was 83.3 % response to the questionnaires. Majority of the respondents (63.07 %) dispose refuse via authorized garbage collectors. The survey indicated that the drainage systems of most hospitals and pharmacies are connected to general drainages while 6.2 % have sewage systems installed. Most of the respondents (68.9 %) indicated that there was no waste disposal method in place for pharmaceutical waste. Knowledge of most appropriate disposal method for pharmaceutical waste amongst most of the respondents was poor (30.85 %).

Conclusion: Limited knowledge on pharmaceutical waste disposal was evident amongst the respondents. Hence, the need to enlighten health care personnel on proper pharmaceutical waste disposal methods, so as to avoid associated environmental hazards, is recommended.

Keywords: Healthcare workers, Pharmaceuticals, Waste disposal, Environmental, Hazard




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