Food Protein Induced Enterocolitis (FPIES)

Food Protein Induced Enterocolitis Syndrome or FPIES, is a type of food allergy that can cause severe vomiting, diarrhea, dehydration and lethargy. This food allergy is different from the typical food allergies we think of because it does not involve the allergy antibody IgE. Because of this, patients do not have anaphylaxis or require an epinephrine auto-injector. FPIES typically presents when babies start to consume cow’s milk products or when baby food is introduced. Some common food triggers include cow’s milk protein, soy, rice and oat. Allergists can help diagnose and manage patients with FPIES.

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