You may have heard the term acid reflux from your doctor or on television commercials.
Over time, chronic acid reflux can cause permanent damage to the esophagus.
Eosinophilic esophagitis, or allergic esophagitis, is caused by a certain type of white blood cell, eosinophils, typically associated with allergies.
GERD, gastroesophageal reflux disease, is simply chronic acid reflux. Patients who experience reflux more than twice per week - every week - are diagnosed with GERD.