Yes,children who are allergic to foods often vomit as the first sign of a food allergy. It is possible that your son is allergic to dairy products or to some other ingredient in the yoghurt. Wait until he is 8 months old before trying yoghurt again and then give him the children's kind.If he vomits the children's yoghurt when you try it again,he should be regarded as being allergic to dairy products until he has been tested for food allergies.He should be tested for milk allergy as well as the other common food allergies such as egg, soya, wheat and peanut by his paediatrician.
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