BSACI guideline for the diagnosis and management of cow's milk allergy

BSACI guideline for the diagnosis and management of cow’s milk allergy

This guideline advises on the management of patients with cow’s milk allergy. Cow’s milk allergy presents in the first year of life with estimated population prevalence between 2% and 3%. The clinical manifestations of cow’s milk allergy are very variable in type and severity making it the most difficult food allergy to diagnose. A careful age- and diseasespecific history with relevant allergy tests including detection of milk-specific IgE (by skin prick test or serum assay), diagnostic elimination diet, and oral challenge will aid in diagnosis in most cases. Treatment is advice on cow’s milk avoidance and suitable substitute milks. Cow’s milk allergy often resolves. Reintroduction can be achieved by the graded exposure, either at home or supervised in hospital depending on severity, using a milk ladder. Where cow’s milk allergy persists, novel treatment options may include oral tolerance induction, although most authors do not currently recommend it for routine clinical practice. Cow’s milk allergy must be distinguished from primary lactose intolerance. This guideline was prepared by the Standards of Care Committee (SOCC) of the British Society for Allergy and Clinical Immunology (BSACI) and is intended for clinicians in secondary and tertiary care. The recommendations are evidence based, but where evidence is lacking the panel of experts in the committee reached consensus. Grades of recommendation are shown throughout. The document encompasses epidemiology, natural history, clinical presentations, diagnosis, and treatment.


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