Oesophageal achalasia
Definition: A motility disorder of the ESOPHAGUS in which the LOWER ESOPHAGEAL SPHINCTER (near the CARDIA) fails to relax resulting in functional obstruction of the esophagus, and DYSPHAGIA. Achalasia is characterized by a grossly contorted and dilated esophagus (megaesophagus).
Synonyms (terms occurring on more labels are shown first): cardiospasm
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Drugs with this side effect as MedDRA Preferred Term
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