12/17/2011
...means that traditional blood or skin testing will be negative for the foods that cause FPIES reactions. Unlike traditional IgE allergies, FPIES reactions do not manifest with itching, hives, swelling, coughing or wheezing. Symptoms typically only involve the gastrointestinal system, not other body organs or systems. Final Thoughts FPIES is a rare condition that often goes undiagnosed, or can take a while to diagnose. This is because traditional allergy tests are negative and diagnosis is...