So how do I know if ds has any sort of dairy intolerance? Over the last 6 weeks or so I have been trying to see if the organic Jalna blueberry yoghurt is making ds spew and after this afternoon I'd say I'm 100% sure that it is. He has loads of regular cheese and loves it, I give him cheese every day, sometimes twice a day in the form of regular cheese such as mature or tasty and often cottage cheese and he has no worries with them. I have also added full fat cream and a dash of milk to some foods and that has been no worries either so why is the yoghurt making him sick? Are there hidden sugars in that yoghurt or preservatives? He also has goats milk yoghurt everyday and that is not a problem either. His diet is really good with the only processed foods being the yoghurts and cheeses, everything else is make from scratch with fresh fruits, veg and organic grains and proteins, maybe his belly can't handle something in the yoghurt? Is this type of thing common, I really don't wish for him to have an intolerance to dairy. Guess I'm not really being clear on what answers I would like from this thread, maybe just some light on the subject and others experiences with dairy. TIA