Observational descriptive study with a quantitive approach which data is based on an epidemiological survey aims to determine the reasons of the high prevalence of acute diarrheas illnesses in minors of one year in Ananindeua, Pará. The sample was constituted by the families registered in the cadaster of the Family Health Program. It was evidenced that the social-economic-cultural aspects had influenced in the diarrhea occurrence, therefore how the lesser mother’s age and the scholarship, bigger the illness prevalence. This population lives in an occupation area, without basic sanitation, with garbage and dejections in opened sky, being below of the poverty boundary. About precocious weaning, water and tea were introduced in the first fifteen days and ar tificial milk during the first month, there was a resistance to use oral rehydrating therapy. They used domestic treatment. It concludes that reversion of structural factors, is necessary and cultural matters should be included in educational activities of a public care policy.
Nursing; Children’s health; Diarrhea