Allergic gut problemsAnal fissuresBacterial overgrowthCoeliac diseasePancreatic insufficiencyConstipationHirschsprung’s diseaseCrohn’s diseaseEosinophilic oesophagitisFaltering growthFeeding disordersGastro-oesophageal refluxGiardiaGastrointestinal blood loss and anaemia Bacterial overgrowthInfant colicInflammatory bowel disease (Crohn’s disease and Ulcerative Colitis)Lactose intoleranceLiver diseaseNutritional problemsPancreatitisRecurrent abdominal painSucrose intoleranceToddler’s diarrhoeaUlcerative colitisUlcers, gastritis and helicobacter pylori