It may be caused by chronic gastritis, pancreatitis and other diseases. If your dog vomits from time to time, has appetite and is in good spirits after vomiting, it may be gastritis. You can feed him sucralfate-containing medicine and pay attention to his diet. Eat small, frequent meals.

Dogs will keep vomiting after eating too much, especially after they are full. Dogs can easily vomit out excess food when exercising.

Dogs will also vomit when they swallow foreign objects. Through vomiting, dogs will promote gastrointestinal motility and spit out the foreign objects, otherwise it will affect digestion.