It may be caused by digestive system diseases such as gastritis, gastrointestinal obstruction, pancreatitis, etc. Diseases such as uterine pus accumulation, liver failure, kidney failure, nephritis, etc. can also cause different degrees of vomiting. The dog vomits undigested food, mainly because the dog eats without chewing slowly and swallows it whole. Subsequently, after doing strenuous exercise, sometimes vomit out what was eaten, is a normal regurgitation protection situation. However, if the vomit has a different color, then you should pay attention to it, often due to disease. For example, if your dog’s vomit is yellowish-green in color, it is often bile that has been vomited out; if the gastric juice is coffee-colored, it is likely to indicate bleeding in the stomach, most commonly from gastric ulcers and duodenal ulcers.
