• Stephanie A Leonard, Valentina Pecora, Alessandro Giovanni Fiocchi, and Anna Nowak-Wegrzyn.
• 1Division of Pediatric Allergy & Immunology, University of California, San Diego, Rady Children's Hospital San Diego, 3020 Children's Way, MC 5114, San Diego, CA 92123 USA.
• World Allergy Organ J. 2018 Jan 1; 11 (1): 4.

AbstractFood protein-induced enterocolitis syndrome (FPIES) is a non IgE-mediated gastrointestinal food allergy that presents with delayed vomiting after ingestion primarily in infants. While the pathophysiology of FPIES is poorly understood, the clinical presentation of acute FPEIS reactions has been well characterized. The first International Consensus Guidelines for the Diagnosis and Management of Food Protein-induced Enterocolitis Syndrome were published in 2017 and reviewed epidemiology, clinical presentation, and prognosis of acute and chronic FPIES. The workgroup outlined clinical phenotypes, proposed diagnostic criteria, and made recommendations on management. This article summarizes the guidelines and adds recent updates. FPIES is gaining recognition, however there continues to be delays in diagnosis and misdiagnosis due to overlap of symptoms with over conditions, lack of a diagnostic test, and because some of the common trigger foods are not thought of as allergenic. More research into disease mechanisms and factors influencing differences between populations is needed.

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