Thank you. This is a good question. Your son did well on the anti-reflux formula so it is strange that he could not tolerate the Nido as the AR formula is not lactose free.Also if he is allergic to cow's milk he would not have been able to tolerate the Novavalc AR.He certainly seems to be allergic to soya so that is not an option.It is difficult to be sure about the way forward but it would be worth trying a low allergy formula as a follow on.
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