Paediatrician in Ghaziabad. What to do in Diarrhoea? 1.Start giving ORS and Plenty of of suitable home available fluids to prevent dehydration. 2.Continue breast feeding and usual diet of child during diarrhoea. 3.Enaure proper sanitation and hygiene, especially handwriting, for child and caregiver. 4.Complete full 14 day course of zinc tablet/ syrup. 5.Consult your pediatrician promptly if there is blood in stools or if child appears unwell or dehydrated.