We did our study in a remote village south in India. Our goal was to gather knowledge and understanding necessary to work out an adjusted teaching program to reduce morbidity and mortality from diarrhea. Specifically we surveyed the villagers health behaviour; involving prevention, treatment and disease explanation. Qualitative and quantitative research methods were combined. Data were collected through semi- structured interviews, focus groups, personal communication, direct observation and questionnaire- based interviews. More than 10% of the households had episodes of diarrhea last year. Key measures for reducing the prevalence and morbidity of diarrhea included hand- hygiene, soap, sanitation, eating newly cooked food, nourishment, exclusive breastfeeding of infants less than 6 months, awareness of warning signs, usage of home treatment to prevent dehydration and seeking of necessary medical assistance. Available health service was characterized by medical pluralism, involving traditional healers , non- educated illegal practitioners, governmental health workers and missionary hospitals. Ideas about cause of a current diarrhea episode were determining for treatment chosen. Common explanations for diarrhea included overheating and disthi. To achieve necessary changes in health behaviour, it is important to acknowledge cultural practices and beliefs. The population need to understand why changes are necessary and to be involved in figuring out how it can be done practically. The cause of diarrhea is closely related to both prevention and treatment, and should form the basis of health education. Usage of local disease classifications and mediating of knowledge through illustrations and medical histories recognicabele to villagers, will simplify the process.