IGHE and food allergy: Finally, no significant results were found analyzing the link between severe/life‐threatening reactions (either during OIT or after the suspension) and the following variables: age at the beginning of OIT; reactivity threshold; multisystemic reactions before OIT; Ig‐E class for whole milk, casein, β‐lactoglobulin, and α‐lactalbumin; other food allergies; and asthma.