Objective: To describe and discuss the number of hospital admissions for diarrhea and gastroenteritis of infectious origin in children aged 0 to 4 years in Macaé/RJ, compared to the State of Rio de Janeiro and Brazil. Methodology: Epidemiological research with a quantitative approach with retrospective analysis based on secondary data. Data collection took place between July 2020 and May 2021, analyzing the per...