Belching and passing wind through the back passage can ease this. Alteration in bowel habit, which may be constipation, diarrhoea or an alternation between the two. Bowel habit varies enormously between individuals, though most people have their own pattern. There may be some discomfort or difficulty in opening the bowels. A sensation of incomplete emptying is common.
Incontinence can occasionally occur, causing great embarrassment and anxiety.
Though some of these symptoms may be embarrassing or distressing, it is important to tell the doctor about them. Worrying in silence may make them feel even worse. Remember, they happen to a lot of people. The cause of IBS is not fully understood yet. Research has shown that the bowel in IBS sufferers is more sensitive than usual and this sensitivity sets off a reaction which causes the symptoms.