You may be concerned about him or her having a baby food allergy, if you have a baby. While the number of cases of food allergies has exponentially expanded in the past decade, the percentage of children and infants with food allergies is still proportionately low. It is important to become educated on the subject of infant food allergies, especially, if you or someone in your family has food allergies or your baby has been showing symptoms of a possible baby food allergy.