When a child has diarrhea or is vomiting, it is important to prevent
dehydration. Oral rehydration solutions (ORSs), such as Pedialyte, are
used to prevent or correct dehydration in young children. ORSs contain the
right mix of salt, sugar, potassium, and other minerals to help replace lost
In the first 4 to 6 hours after diarrhea or vomiting has started,
give your child the following amount of ORS.