**2. Epidemiology**

The disease is more common in Caucasian population with a male to female ratio of 3:1 [3]. Eosinophilic esophagitis has also been seen in African Americans, Asians and Hispanic population. The disease is increasingly being recognized over the last few decades. The current incidence is 5 to 10 cases per 100,000 population, and the current prevalence is 0.5 to 1 case per 1000 population in North America, Europe and Australia [4]. The disease can affect both children and adults. In adults, EoE is more commonly seen in males than in females and the average age of patients with EoE is between 30 and 50 years. Most of the patients with EoE have personal history of allergic disorders like bronchial asthma, allergic rhinitis, allergic conjunctivitis or food allergy.
