allergic esophagitis pediatricallergic oesophagitisallergic reaction in esophagusallergic eosinophilic gastroenteritiseosinophilic esophagitis food allergyallergic asthma symptomsesophageal eosinophiliaesophageal inflammation treatmentallergic eczemaeosinophilic esophagitisesophageal infectionallergic eosinophilic asthma