One of the most commonly diagnosed conditions in infants is milk intolerance. Milk Intolerance includes lactose intolerance, and milk protein allergy. Usually available only after consultation with gastroenterologist. This test is based on higher amounts of hydrogen in the breath due to activity of enteric bacteria producing it in those with lactose intolerance.
Normal children absorb the sugar in the small int.
Milk Protein Allergy - often associated with SOY allergy. An IgE mechanism for some children, but not demonstrated in most. No precise mechanism of immunological rxn described. Symptoms improve when cow's milk taken from the diet. Elimination, re-introduction with return of symptoms.