The knowledge, attitude, and practice of the public regarding household pharmaceutical waste disposal: a systematic
Sheng Yuan Hiew1, Bee Yean Low1
1School of Pharmacy, University of Nottingham Malaysia, Semenyih, Selangor, Malaysia.
Objective:
The improper disposal of household pharmaceutical waste (HPW) is an emerging cause of environmental pollution. Behavioural practices are intricately linked to individuals' knowledge levels and attitudes. Thus, this systematic review aims to assess the knowledge, attitude, and practice (KAP) of HPW disposal among the public and to examine the interconnectedness of these KAP components.
Methods:
A literature review for articles published from 2013 to 2023 was carried out in scientific databases PubMed, Scopus, and Web of Science, identifying quantitative studies involving the assessment of KAP of the public concerning HPW disposal.
Results:
This review incorporated 12 studies conducted in Africa, South Asia, and Southeast Asia. Nine studies highlighted a consistent trend of limited to inadequate knowledge regarding safe medication disposal. Notwithstanding, respondents largely exhibited a positive attitude towards proper medication disposal. This encouraging disposition, unfortunately, stands in stark contrast to the reported practices, which appeared to be inadequate. This dissonance might be due to a deficit in accessible disposal facilities and information, compounded with insufficient guidance from healthcare professionals. Interestingly, the majority expressed support for take-back programs aimed at managing unused and expired medications.
Conclusion:
This review identified a need for a comprehensive understanding of the interconnected dynamics among KAP components regarding safe medication disposal. The exploration of theoretical behavioural frameworks could help predict public intentions to adopt safe medication disposal practices. Ultimately, a multi-faceted approach that addresses knowledge gaps, reinforces positive attitudes, and promotes accessible safe medication disposal services can collectively safeguard the environment and public health.
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