Esophageal Absorption in EoE

Inclusion Criteria:

- Patients between the ages of 18 and 80 with eosinophilic esophagitis diagnosed by a
combination of compatible symptoms, endoscopic findings, histology, and lack of
response to proton pump inhibitors or negative pH study

- endoscopy with esophageal and duodenal biopsies within two weeks of performance of
this study

- Patients between the ages of 18 and 80 with eosinophilic esophagitis diagnosed by a
combination of compatible symptoms, endoscopic findings, histology, and lack of
response to proton pump inhibitors or negative pH study, and are now in histologic
remission( <15phf) by the use of steroids or the six food elimination diet.

- Volunteers will be selected for not having any history of esophageal symptoms

Exclusion Criteria:

- Vulnerable populations, such as those with diminished mental acuity, will be
excluded.

- Patients taking Nsaids within 48 hours of the d-xylose testing

- artificial sweeteners within 48 hours of the d-xylose testing

- History of IBD

- Currently smoking or history of smoking

- History of Celiac disease

- Bacterial overgrowth,

- motility disorders

- other diffuse small bowel diseases.