A follow‐up study of children with food allergy. Clinical course in relation to serum IgE‐ and IgG‐antibody levels to milk, egg and fish

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Abstract
Children (82) with food sensitivity [to milk, egg and fish] were followed-up for 2-5 yr. Most children showed a decreasing sensitivity and the clinical course of food allergy seemed to reflect the course of the humoral immune responses to the offending foods. The occurrence of IgE- and IgG-antibodies parallelled in most cases. An early, high IgG/IgE food antibody ratio seemed to be a good prognostic sign, indicating a possible blocking capacity of IgG-antibodies.