Trial of Partial Enteral Nutrition With Dairy Free Diet in Eosinophilic Esophagitis

Inclusion Criteria: * Pediatric patients 1 year to 21 of age presenting with chronic symptoms of dysphagia, odynophagia, vomiting or heartburn, chronic abdominal pain, weight loss, picky eating, to outpatient gastroenterology clinic and are planning to undergo EGD for evaluation. Exclusion Criteria: * Non-English-Speaking Subjects, adults unable to consent, wards of the state, pregnant women, and prisoners will be excluded from the study. * Patients with autoimmune conditions such as inflammatory bowel disease. Patients with prior esophageal or intestinal surgeries. * Patients with history of eating disorders or ARFID. * Patients with fistulizing or fibrotic disease on baseline EGD. * Patients who have received proton pump inhibitory therapy in the past month.