Types and Causes of Esophagitis Eosinophilic esophagitis- caused by excessive eosinophils in the esophagus Reflux esophagitis- caused by GERD Drug-induced esophagitis- occur when we take certain medications without enough water Infectious esophagitis- occur due to bacteria, viruses, fungi, or parasites
Other causes are alcoholism, radiation therapy, chemical injury, and nasogastric tubes, from ingested alkaline or acid solutions.