Enfamil o lac powder formula triple pack has been specially designed for babies who suffer from lactose intolerance or diarrhoea the lactose free formula is nutritionally complete and is ideal for babies who cannot tolerate lactose and have symptoms such as colic bloating or wind and diarrhoea temporary lactose intolerance can be triggered by an episode of gastroenteritis which may result in diarrhoea and vomiting this usually lasts from 4 8 weeks enfamil o lac contains cows milk protein a