Abstract
Objective: To intervene in the knowledge about hygiene habits of parents / guardians of children in the Pediatric Clinic of a college in Belém-PA. Methods: Project approved by the Research Ethics Committee to assess the knowledge of parents / guardians of children registered in a pediatric outpatient clinic at a college in Belém / PA on hand and food hygiene that can reduce the risk of contamination and diarrhea in children through a questionnaire structured by the authors before and after a health education lecture on the topic. Results: Most of the children were between seven and ten years old, lived in the urban area of Belém and had a public sewage system for the residues of the residence. Around 12% of parents did not leave food in water with sodium hypochlorite, this rate having changed to 75% after health education. Conclusion: The knowledge produced by this study contributed to the understanding of the diversity of factors associated with the occurrence of diarrhea by identifying associated conditions briefly investigated, such as food handling and hygiene, water intake and proper hand washing.