Depending on the severity of the allergy, even a small amount of an allergen can cause a reaction. It is important to ensure that you don’t accidentally contaminate your allergic child’s food when you’re preparing it at home. Kids with Food Allergies has some good tips on this topic here.

Also be careful about cross-contamination of products in the manufacturing facilities. To be on the safe side, it’s best to purchase foods and formulas for your allergic child that are produced in 100% allergen-free environments.