[header] How to handle milk allergy or intolerance in infants [title] Discuss your baby's issues with their doctor. [step] If you think your baby has a milk allergy or intolerance, you should first talk to their doctor. Your child's doctor can confirm whether this is what is making your baby sick. 
They can also recommend the best way to go about changing your baby's diet and possibly tell you which formulas are best for your baby. [substeps] Be prepared to discuss your baby's diet and symptoms with your doctor.