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Complications of Gastroenteritis

In children and the elderly, there is an increased risk of dehydration and shock resulting from gastroenteritis.

Other complications can include damage to the mucosa (sticky lining) of the intestines, causing prolonged watery diarrhoea even after the initial infection has gone.

Some people experience a temporary lactose intolerance (reacting badly to dairy foods ) because of increased sensitivity of the lining of the intestines. This can also lead to the development of irritable bowel syndrome (see separate topic on IBS).