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Inflammation of the esophagus – The most common cause of esophagitis is irritation from stomach contents that backflow into the esophagus, such as occurs with gastroesophageal reflux disorder (GERD) and achalasia.
Symptoms include painful or difficult swallowing and dyspepsia. The diagnostic path may include endoscopy to examine, biopsy, or culture the esophagus. Treatment targets the underlying cause and may include h2 antagonist (blocker) medications or proton pump inhibitor medications to reduce the volume of gastric acid.