INTRODUCTION DIARRHEA

Diarrhea causes an estimated 5 million deaths in children under 5 years of age per year. About 80% of these deaths occur in children in the first 2 years of life. Approximately one third of deaths among children under five are caused by diarrhea. In the year 2000, diarrhea diseases claimed an estimated 1.4 to 2.5 million lives; they are among the leading causes of death in children in developing countries. Secretory diarrhea means that there is an increase in the active secretion, or there is an inhibition of absorption. The most common cause of this type of diarrhea is a cholera toxin and E.coli those stimulate the secretion of anions, especially chloride ions.. Bacterial and viral infections usually included in the etiology of diarrhoea .