What kind of symptoms does the baby eat complementary food allergy?

Baby eating complementary food allergy may appear eczema, abdominal distension, constipation, diarrhea, vomiting and other symptoms, may also be accompanied by nasal congestion, runny nose, cough, or tears and other symptoms, severe cases may also cause allergic dermatitis and urticaria. If similar symptoms occur, seek medical treatment in time.