D2I2.
autoimmune

Eosinophilic oesophagitis

Eosinophilic esophagitis (EoE) is an allergic condition of the that involves eosinophils, a type of white blood cell. In healthy individuals, the esophagus is typically devoid of eosinophils. In EoE, eosinophils migrate to the esophagus in large numbers. When a trigger food is eaten, the eosinophils contribute to damage and . Symptoms include swallowing difficulty, food impaction, vomiting, and .

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Plain-language summary adapted from Wikipedia. Not medical advice.