Dog vomiting yellow water dog vomiting yellow water is generally a manifestation of gastritis or stomach acid, if the dog eats poorly digested things for a long time or if the diet is irregular, it will cause gastritis and stomach acid. If the dog can still eat after vomiting yellow water, it means that the problem is not serious, and the vomit may be something that it can not digest. If a puppy has vomited yellow water in the morning, it may be caused by the dog being hungry and not eating. This is when the dog’s stomach acid secretion will increase and then it will vomit yellow secretions. If the dog is cold or has digestive tract problems, it will also vomit yellow water and needs to go to the hospital for a specific examination.
