In Achalasia Cardia, the nerves in the esophagus do not function properly and become dilated. Gradually, It loses the ability to push the food down into the stomach.
As a result, the food gets collected in the food pipe and at times ferments and is pushed back into the mouth and may enter the nose in the night. Individuals with achalasia cardia feel that food has stuck in the central part of the chest and does not travel down.
The patient may also have pain in the central part of the chest and rapid weight loss due to reduced food intake.
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