Seven26, 28, 29, 30, 32, 33, 34 of the 10 included papers reported the prevalence of concomitant IgE‐mediated allergies/sensitization (not challenge proven) in the EoE study population, which ranged between 38%32 and 88%31 (Table 4). Here, IGHE is linked to eosinophilic esophagitis.