These IgE antibodies trigger symptoms of an allergic reaction whenever the person eats a food they are allergic to. Their immune system makes special antibodies - specific IgE antibodies - that detect the food proteins and help fight them off. Normally, our immune systems protect our bodies from viruses, bacteria, and other foreign invaders that could harm us.īut when someone has a food allergy, their immune system mistakenly treats the proteins in a certain food (or foods) like these foreign invaders, and over-defends the body against these proteins. We’ll cover everything families need to know about food allergy rashes in this definitive guide. How to manage a food allergy rash, and how long does it usually last?.What are the symptoms of a mild, moderate or severe allergic reaction?. ![]() How do you know if your child has a food allergy rash?. ![]()
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