food allergy symptoms usually appear very soon after the food is eaten -- within a few minutes to a couple of hours. if you’re introducing a new food to your baby keep an eye out for these symptoms: hives flushed skin or rash face tongue or lip swelling vomiting and/or diarrhea coughing or wheezing difficulty breathing loss of consciousness. if your baby is having trouble breathing has swelling on her face or develops severe vomiting or diarrhea after eating don’t take time to call your pediatrician. call 911 immediately. severe allergic reactions can be fatal very quickly.
what are some food allergy symptoms to watch for in my baby and what should i do if my baby has an allergic reaction?