Eosinophilic esophagitis is an inflammatory condition of the esophagus characterized by eosinophilic infiltration. It is a condition mainly affecting children; the adult form has only recently gained recognition as a distinct entity. The major symptom among adults with eosinophilic esophagitis is dysphagia. It is often misdiagnosed as gastroesophageal reflux disease because of the similarity in symptoms. An endoscopic biopsy is required to distinguish between the conditions. The cause of eosinophilic esophagitis is poorly understood, but food allergy has been implicated. Topical steroids are the most effective and convenient method for the treatment of eosinophilic esophagitis in adults. The long-term prognosis of eosinophilic esophagitis is uncertain; however, data suggests a benign course. We herein present two eosinophilic esophagitis cases that were the first to be diagnosed in our clinic.