Facility and patient barriers in the implementation of isoniazid preventive therapy for people living with HIV attending Care and Treatment Centers, Songea Municipality, Tanzania

INTRODUCTION: isoniazid preventive therapy for people living with HIV is an essential public health intervention in low-income countries with high tuberculosis and HIV burden. Despite available evidence that it is efficacious, its implementation is still low in many countries. This study was designed to determine its implementation coverage and explore barriers for suboptimal implementation in Songea municipality in Tanzania. METHODS: a cross-sectional descriptive study design using both quantitative and qualitative approaches of data collection was employed. A review of 2148 records of people living with HIV eligible for isoniazid preventive therapy (IPT) was done to determine its implementation coverage. Twenty-one (21) in-depth interviews and 5 observations were conducted to explore barriers in the implementation. Quantitative data was analyzed using Statistical Package for the Social Science (SPSS) for windows version 20 statistical software. Descriptive statistics (frequencies and percentage) were employed and data were visualized using tables and bar graphs. All interviews were audio-recorded and analyzed using thematic analysis approach. RESULTS: overall, isoniazid preventive therapy coverage at Songea municipality was estimated to be 45%. Insufficient drug supply and stock out, shortage of staff, lack of service privacy, long waiting time, drug side effects, pills burden, distance and cost of transport were the main reported barriers hindering full scale implementation of isoniazid preventive therapy. CONCLUSION: implementation of isoniazid preventive therapy in Songea municipality had low coverage. The study recommends that tuberculosis and HIV stakeholders must be part of the solutions by ensuring that the identified barriers are addressed.

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