What are the symptoms of food allergies? If the baby is allergic to certain foods, the symptoms will appear within minutes or seconds. The most common symptoms are: Coughing Tongue and throat dry and scratchy Skin itching or rash Nausea and bloating Diarrhea or vomiting Breath of breath and shortness of breath His lips and throat swelling Runny nose and congestion Itchy eyes, red and sore Foods that cause allergy Food often cause allergic reactions include: Cow’s milk and Read more...