For the dietary management of colic and constipationfood for special medical purposes1 in 5 bottlefed babies are likely to experience some form of digestive discomfortwhen babies39 digestive systems are immature they may suffer from colic or constipation this is because they can have a reduced ability to digest lactose or protein or a reduced level of healthy gut bacteriacommon signs of colic and constipation to discuss with your healthcare profession