I am not aware of a Novalac formula called AV. Do you mean Novalac AR which is used for reflux or possibly Novalac AC which is given to babies with colic? In any case it is obvious that your little baby is unhappy on the new Novalac formula. You can either put her back onto Novalac 1 and if she is hungry then try Novalac SD [sweet dreams] which is specially for hungry babies.
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