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Effect of Antimalarial Drug Education on Appropriate Antimalarial Use among Adults in Nigeria

Abstract

Malaria remains an important public health concern in Nigeria, and the appropriate use of antimalarial medicines is essential for effective treatment, prevention of complications, and reduction of inappropriate medicine use. Adults experiencing suspected malaria may engage in self-medication, use antimalarial medicines without appropriate diagnosis or professional advice, take incorrect doses, discontinue treatment prematurely, use inappropriate drug combinations, or obtain medicines from unreliable sources. Antimalarial drug education provides individuals with information concerning malaria symptoms, appropriate diagnosis, recommended antimalarial medicines, dosage and treatment schedules, adherence to prescribed treatment, possible adverse effects, drug interactions, the dangers of inappropriate self-medication, and the importance of seeking qualified healthcare advice. Appropriate antimalarial use refers to the correct selection, acquisition, dosage, timing, administration, and completion of recommended antimalarial treatment in accordance with appropriate healthcare guidance. In Nigeria, inappropriate antimalarial use may contribute to treatment failure, adverse drug reactions, unnecessary medicine expenditure, delayed diagnosis of other febrile illnesses, and inappropriate exposure to antimalarial medicines. Effective antimalarial drug education may improve adults' knowledge and medication-use practices and promote safer and more appropriate treatment behaviour. Against this background, this study investigates the effect of antimalarial drug education on appropriate antimalarial use among adults in Nigeria. The study is anchored on the Health Belief Model, Social Cognitive Theory, and the Knowledge-Attitude-Practice framework. The Health Belief Model provides a framework for understanding antimalarial-use behaviour through perceived susceptibility to malaria, perceived severity of the disease, perceived benefits of appropriate treatment, perceived barriers, and cues to action. Social Cognitive Theory emphasizes the interaction between knowledge, self-efficacy, observational learning, social influences, and environmental factors in shaping medicine-use behaviour. The Knowledge-Attitude-Practice framework provides a basis for examining how antimalarial drug education may improve knowledge and attitudes toward malaria treatment and translate these improvements into appropriate medicine-use practices. Collectively, these theoretical perspectives provide a suitable framework for explaining how antimalarial drug education may influence appropriate antimalarial use among adults in Nigeria. The study will adopt a quantitative quasi-experimental research design. Primary data will be collected from adults in selected Nigerian communities and healthcare settings using a structured interviewer-administered questionnaire, antimalarial knowledge assessment, and standardized appropriate antimalarial-use practice scale. A multistage sampling technique will be employed to select states, local government areas, communities, healthcare facilities, and eligible adults. Where feasible, participants will be assigned to intervention and comparison groups. Participants in the intervention group will receive structured antimalarial drug education through interactive health education sessions, practical demonstrations, case scenarios, printed educational materials, and appropriate digital health resources. The education will cover malaria recognition, the importance of appropriate diagnosis, recommended antimalarial treatment, dosage and treatment schedules, adherence to prescribed therapy, completion of treatment, potential adverse effects, drug interactions, appropriate medicine storage, risks of inappropriate self-medication, and the importance of consulting qualified healthcare professionals. Appropriate antimalarial use will be assessed using indicators such as appropriate medicine selection, use of recommended dosage, adherence to prescribed treatment schedules, completion of treatment, avoidance of inappropriate medicine combinations, consultation with healthcare professionals, appropriate response to adverse effects, and avoidance of inappropriate self-medication. Where feasible, medication packaging, prescriptions, pharmacy records, or other appropriate evidence may complement self-reported medicine-use practices. Descriptive statistics will be used to summarize participants' sociodemographic characteristics, previous antimalarial education, malaria knowledge, and medicine-use patterns. Inferential statistical techniques, including chi-square tests, paired-sample tests, independent-sample tests, and multiple regression analysis, will be used to determine the effect of antimalarial drug education on appropriate antimalarial use. Where appropriate, medicine-use practices before and after the intervention will be compared. Diagnostic tests will also be conducted to assess the reliability of the research instruments, model assumptions, goodness of fit, multicollinearity, and robustness of the findings. The study is expected to find that antimalarial drug education has a significant positive effect on appropriate antimalarial use among adults in Nigeria. Adults exposed to structured antimalarial drug education are expected to demonstrate improved knowledge of malaria treatment, greater awareness of appropriate medicine-use procedures, improved adherence to recommended treatment schedules, and reduced inappropriate self-medication. Education is expected to improve adults' understanding of the importance of appropriate diagnosis, correct dosage, completion of treatment, recognition of adverse effects, and consultation with qualified healthcare professionals. Practical and interactive education is expected to be particularly effective because it enables adults to apply treatment principles to realistic malaria-related situations. However, antimalarial drug education alone may not eliminate inappropriate medicine use because adults may continue to experience barriers such as easy access to medicines without professional consultation, medicine costs, previous treatment experiences, misinformation, perceived severity of illness, and reliance on informal medicine sources. Consequently, antimalarial drug education may be most effective when supported by accessible diagnostic services, appropriate pharmaceutical care, effective malaria-control programmes, reliable medicine supply, and strengthened regulation of antimalarial medicine distribution. The study is expected to contribute to the literature on antimalarial drug education, appropriate medicine use, malaria treatment, self-medication, pharmacy practice, health education, medication safety, malaria control, and public health in Nigeria by providing empirical evidence on the effect of structured antimalarial education on adults' medicine-use practices. The findings will provide useful information to the Federal Ministry of Health and Social Welfare, National Malaria Elimination Programme, National Primary Health Care Development Agency, Pharmacists Council of Nigeria, healthcare facilities, pharmacists, physicians, community health workers, health educators, public health practitioners, development partners, and policymakers regarding strategies for promoting appropriate antimalarial use. The study will also provide evidence-based recommendations for strengthening antimalarial drug education, integrating medicine-use counselling into malaria services, improving access to malaria diagnosis and appropriate treatment, strengthening pharmacist-led patient education, addressing malaria treatment misinformation, and promoting responsible antimalarial use among adults in Nigeria.

Keywords: Antimalarial drug education, appropriate antimalarial use, adults, Nigeria, malaria treatment, malaria control, medication safety, self-medication, health education, pharmaceutical care, antimalarial medicines, medicine adherence, malaria prevention, public health.