Severity Trend of Recurrence in Pediatric Food Protein-Induced Enterocolitis Syndrome

Reintroduction of the offending food in pediatric patients affected by food protein-induced enterocolitis syndrome (FPIES) is carried out in hospitals with an oral food challenge (OFC), which leads to a long waiting time and increases the societal burden of medical cost and human resources. To assess the severity trend of acute FPIES adverse reactions over time in the same patient for possible outpatient or home reintroduction of the offending food. All children (aged