IBS – Irritable bowel syndrome – Hypnotherapy is recognised by the National Institute for Health and Care Excellence (NICE) as an effective treatment for IBS. Irritable bowel syndrome is a common, functional disorder of the digestive system and gut that causes the bowel to be verysensitive. The condition causes recurring pain or discomfort in the abdomen and often, the nerves and muscles do not work as they should. While there is no cure for irritable bowel syndrome, there are certain treatments and lifestyle changes that can help manage symptoms. One IBS treatment recognised by the National Institute for Health and Care Excellence (NICE) is hypnotherapy.