A randomized controlled trial using non probability consecutive sampling was carried out on 60 children (30 in each group) in Department of Paediatrics Unit I, Services Hospital Lahore. An informed written consent was taken from parents of the children. Ethical issues considered and maintained throughout the study. Then all children were randomly divided in two groups by using lottery method. In group 1; children were given yogurt while in group 2, children were given lactose free formula milk. In both groups, feed was given 5-8 times per day. Patients were followed-up till resolution of symptoms and discharge from hospital.
This study was aimed to look at the effect of lactose free formula milk in comparison with home-made plain yogurt in children with acute watery diarrhea.