
Introducing solid foods to your baby is an exciting milestone, but it also comes with the risk of food allergies. Food allergies occur when the body’s immune system reacts to a protein in food, and they can range from mild (a rash around the mouth) to severe (difficulty breathing). Understanding how to prevent food allergies, recognize the signs of a reaction, and know what to do if one occurs is essential for new parents.
The best way to prevent food allergies is to introduce new foods gradually, one at a time. As recommended by pediatricians, start introducing single-ingredient foods at around 6 months of age, and wait 3-5 days before introducing another new food. This allows you to identify any potential allergens and avoid overwhelming your baby’s immune system.
Common food allergens for babies include peanuts, tree nuts, milk, eggs, soy, wheat, fish, and shellfish. Contrary to old advice, pediatricians now recommend introducing peanut-containing foods to babies as early as 4-6 months (if they have no family history of severe allergies) to help prevent peanut allergies. Start with a small amount (like a tiny bit of smooth peanut butter mixed with breast milk or formula) and monitor closely for reactions.
Signs of a mild food allergy include a rash around the mouth, hives, itching, redness of the skin, or mild vomiting. Severe reactions (anaphylaxis) are rare but require immediate medical attention—signs include difficulty breathing, swelling of the face or lips, rapid heartbeat, or loss of consciousness. If you notice any severe symptoms, call 911 or take your baby to the emergency room immediately.
If your baby has a mild allergic reaction, stop feeding the food immediately and clean their skin (if there’s a rash). Contact your pediatrician to discuss the reaction and whether you should avoid the food in the future. In some cases, the doctor may recommend allergy testing to confirm the allergen.
Remember, most babies do not develop food allergies, and introducing new foods safely is the best way to protect them. By following these guidelines and staying vigilant, you can help your baby explore new foods with confidence and keep them safe.









