text: In medicine, the term functional bowel disorder refers to a group of disorders which are characterised by chronic abdominal complaints without a structural or biochemical cause that could explain symptoms. Another words usually psychosomatic.\n\nFunctional bowel disorders include:\n\n    * Functional dyspepsia\n    * Non-cardiac chest pain (NCCP)\n    * Chronic abdominal pain\n    * Functional constipation\n    * Irritable bowel syndrome (IBS)