What Is FPIES (Food Protein Induced Enterocolitis Syndrome)? How Is It Treated? ConditionsFPIESGut IssuesNutrition What Is FPIES (Food Protein Induced Enterocolitis Syndrome)? How Is It Treated? FPIES is part of a family of gastrointestinal conditions that are caused by non-IgE allergic…Dr. Green MomApril 7, 2022