My DSs poop sometimes smells of vomit. He used to have a milk protein intolerance but has since been successfully weaned onto milk. He has only ever had semi skimmed milk but I know when he goes to his nannas every other weekend she gives him whole milk, I'm unsure about what else she is giving him though. It is only ever after he's been to his nannas that his bowel movements are like this. Do you think it could be the whole milk or just the general diet whilst he is there?