What Is FPIES?
Food protein-induced enterocolitis syndrome (FPIES) is an uncommon and poorly understood immunologically mediated gastrointestinal food hypersensitivity that most often presents in infancy. Cow's milk and soy proteins are the most common food triggers; other foods that may cause FPIES include a wide array of solid foods, including grains, vegetables, fruits, and poultry. The incidence data for FPIES are limited, and estimates of infants affected vary from 1.5 to 30 per 10,000.[2,3] Although FPIES is more prevalent than previously thought, diagnostic delay is still common, and clinician awareness of FPIES appears to be low.
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Cite this: Vomiting in Infancy: Is It FPIES? - Medscape - Jan 02, 2019.