© Sebastian Zeki 2012   Diarrhoea Constipation Barrett’s Oesophagus Difficulty in Swallowing Stomach ulcers Coeliac Disease Polyps in the bowel Irritable Bowel Syndrome Heartburn Gallstones Crohn’s Ulcerative colitis Gastrointestinal Tract Please click on the symptom for further information.  I am indebted to CORE and the British Society for Gastroenterology for the information provided.