If your child has peanut allergy, you should be aware of a related legume called Lupine, since there is cross reactivity between peanut and lupine for some.

This abstract tells about a healthyl young boy who had a severe allergic reaction to a waffle that contained lupine flour. He was subsequently skin and rast tested and shown to be highly allergic to peanut and lupine.

Keep in mind that Lupine does not need to be specifically labeled for since its not one of the top 8 allergens. (milk, wheat, egg, peanut, tree nuts, fish, shellfish & soy)

In the case of peanut allergy or any anaphylactic reaction without evident cause, especially after industrially prepared food ingestion, lupine should be considered in the list of allergens tested. Lupine is increasingly used in industrially prepared food but is not regularly declared in the composition, leading to difficulties in allergen avoidance.

Lupine-induced anaphylaxis in a child without known food allergy.

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