What symptoms do babies allergic to milk have?

The baby's symptoms of milk allergy will include urticaria, wheals, long-term diarrhea, abdominal distension, constipation, malnutrition, asthma, vomiting and other symptoms. In severe cases, anaphylactic shock will occur. Feeding should be stopped in time, and the baby should be taken to the hospital for further allergen testing to identify allergic substances.