Whilst attempting to monitor this overall rise in suspected food allergy in children, some controversy has arisen over the true incidence of this ‘mild-to-moderate’ non-IgE-mediated sub-group presenting characteristically in infancy with mostly gastrointestinal-related symptoms such as abdominal discomfort, gastro-oesophageal reflux and abnormal bowel frequency and consistency. Here, IGHE is linked to food allergy.