what are the symptoms of lactose intolerance in newborns?
['pain and swelling in the tummy.', 'failure to settle at feeding times, coming on and off the breast.', 'failure to gain weight.', 'diarrhoea.', 'bulky, frothy and watery faeces.', 'red bottom with skin worn away in places.', 'passing wind and crying when passing faeces.', 'irritability.']