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Section: Information In-depth
Related Symptoms or DiseasesThe magnitude of clinical signs depends on both the specific disease and the severity of that disease. The clinical signs may be subtle yet present for weeks or months, or may be extremely severe, and come about quickly. Because the history, physical exam findings and overall presentation of dogs with esophageal disease are variable, there are other illnesses or symptoms that might be considered initially when establishing a definitive diagnosis. It is most important to note that regurgitation (the effortless evacuation of fluid, mucus and undigested food from the esophagus) is one of the most common clinical signs associated with esophageal disease, and must be differentiated from vomiting. The differentiation is important, as it helps to distinguish esophageal disease from gastric (stomach) or intestinal disease.
At one time or another your dog may have a bout of vomiting, usually from eating too much or too fast. Vomiting may be just a sign of a minor problem – or it could be something very serious.
Unlike vomiting, regurgitation is not accompanied by nausea and does not involve forceful abdominal contractions. It is a symptom of esophageal disease and not a disorder in itself.
Esophagitis is an inflammation of the esophagus that can occur from a variety of causes. Frequent vomiting, reflux of gastric juices or ingestion of corrosive chemicals are the most common causes.
Megaesophagus is a condition of the esophagus where there is decreased or absent movement. This can be caused by a variety of nerve or muscle diseases and most often causes regurgitation.
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