Efficacy of Gelatin Tannate in Treatment Acute Gastroenteritis in Children.

Inclusion Criteria: * children \< 5 years old * diarrhea (defined as the passage of 3 or more loose or watery stools per day) for \> 1 day but \< 5 days * inform consent sign Exclusion Criteria: * regularly used antibiotics, probiotics, gelatin tannate, diosmectite, racecadotril within 7 days before admission * underlying gastrointestinal tract disorder presenting with diarrhea * breastfeeding \>50% * malnutrition (weight/high \<3pc)