Megaesophagus – Enlarged Esophagus


Megaesophagus literally means “enlarged esophagus.”   The esophagus is the tube that food, when swallowed, travels down to the stomach.  When the esophagus doesn’t have the ability to contract and move particles down to the stomach, those particles tend to hang out in the esophagus and due to gravity, come back out the mouth.  There are two causes of megaesophagus: hereditary and developed.  In hereditary or congenital megasophagus, signs are apparent when the puppies are weaned.

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