Clinical findings (pattern varies with age):
(1) feeding disorder (young child)
(2) dysphagia
(3) emesis
(4) food impaction (during adolescence)
(5) abdominal pain
(6) refractory gastroesophageal reflux disease (GERD)
(7) food allergy, with clinical improvement on dietary restrictions
(8) asthma and/or rhinosinusitis and/or atopic dermatitis
Laboratory findings:
(1) peripheral eosinophilia
(2) elevated immunoglobulin E
(3) demonstration of food allergy (RAST, other)
The endoscopic appearance may be normal or abnormal. A biopsy from the esophagus shows increased eosinophils (> 15 per high powered field, hpf).
