Abstract

Diarrheal diseases are a leading cause of morbidity and mortality globally, particularly in low- and middle-income 
countries (LMICs), where inadequate sanitation and poor hygiene contribute to the persistence of these conditions. 
In response, governments in these regions have implemented various sanitation programs aimed at reducing the 
incidence of diarrhea by improving access to clean water, constructing sanitation facilities, and promoting hygiene 
education. Despite significant efforts, the effectiveness of these programs remains inconsistent, and their impact on 
diarrhea reduction is often unclear. This review assesses the effectiveness of government sanitation programs in 
reducing diarrhea, focusing on LMICs. By evaluating existing evidence, the study aims to identify key factors that 
contribute to the success or failure of these programs, such as infrastructure quality, community participation, and 
sustainability. Additionally, it examines the role of hygiene education in ensuring lasting public health 
improvements. The review also explores challenges such as inadequate funding, political instability, and cultural 
resistance, which hinder the full success of these initiatives. Findings from this study can guide future sanitation 
interventions, ensuring that they are more effectively tailored to the needs of vulnerable populations, leading to 
improved public health outcomes in the long term.