Paediatric gastroenterology is a sub-speciality of paediatrics and gastroenterology which is concerned with treating the gastrointestinal tract, liver and pancreas of children from infancy until the age of 18.

A paediatrician can provide treatment for many gastric illnesses in children, but chronic diseases, related to nutrition, the pancreas or the liver need to be treated by a specialist paediatric gastroenterologist.