![]() The most common immune response to a food is when your body makes something called IgE antibodies to the protein of the food allergen. ![]() For example, you may get a rash after eating a particular food, or a reaction could be life-threatening, like anaphylaxis. The question then is: If you are allergic to one food’s proteins, will you also be allergic to the protein in a related food? The state of being allergic to two foods can is called “cross-reactivity.” But what does that mean for you?įood allergies can involve many types of responses. When that’s the case, sometimes your immune system cannot tell the difference. Proteins found in one food can be similar in shape to proteins in other or related foods. For example, children often have a milk allergy, which more specifically an allergy to a protein in cow milk. Identifying a Food Allergy and avoiding related foodsĪn allergy to food happens when your immune system overreacts, typically to the protein in the food. But let’s take a look at something called cross-reactivity to help you get the conversation started with your healthcare team to ask these questions. One common question many families have is “If my child is allergic to one food, what else might they be allergic to?” Another common problem is, “Where should I start when either trying new foods or adding foods back to my diet?” If you have these questions, you are not alone! First, everyone is unique, and there is no substitute for individualized guidance from your healthcare team. Avoid Related Foods? Should you? A guide for food allergy management Learning that you or your loved one has an allergy to food sparks a long list of questions.
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