Megaoesophagus

GastrointestinalAll SpeciesNew

Key Points

Megaoesophagus occurs when the oesophagus becomes dilated and loses the ability to effectively transport food from the mouth to the stomach
It can be congenital or acquired
Most commonly seen in dogs
The most common clinical sign is passive regurgitation of food shortly after eating
Radiography is usually the most useful and widely available tool to diagnose megaoesophagus
There is no cure for idiopathic megaoesophagus, so treatment focuses on supportive care
- If megaoesophagus is secondary, the underlying cause must be identified and addressed

Differential Diagnoses

Hiatal hernia
Oesophagitis
Oesophageal obstruction
Causes of vomiting

Educational content only. This factsheet is for general veterinary education and is not a substitute for professional veterinary advice, diagnosis, or treatment. Not for use in an emergency — contact a veterinarian or emergency service. Full disclaimer →