Doctors are still investigating what causes babies to develop allergies, but they do know it’s a combination of environment and genetics and the interplay with the allergic immune system. Sujan Patel, MD, assistant professor in the departments of Pediatrics and Medicine, and pediatric allergist at Hassenfeld Children’s Hospital at NYU Langone, discusses with The Bump how parents can identify an allergic reaction in their baby, common baby allergies, and how to test for and treat allergies in babies.

The good news for parents? Even if your child is diagnosed with baby allergies, they may not last a lifetime. “Allergies to foods such as egg, wheat, and dairy tend to be outgrown by kindergarten age,” says Dr. Patel.

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