A careful, detailed medical history and IgE-mediated tests (ImmunoCAP and/or SPT) revealed that 34 AD patients (34%) had egg allergy, 25 (25%) milk allergy, 13 (13%) wheat allergy, 12 (12%) peanut allergy, and 9 (9%) soy allergy. Here, IGHE is linked to peanut allergic reaction.