What causes vomiting in dogs? What medicine should dogs take when vomiting?

Jul 26,2025
6Min

Pay attention to the color of dog vomit

Generally speaking, dogs are intolerant of hunger and not full, so as long as they eat too much, they will vomit! When vomiting, everyone must observe the color and shape of the vomit, so that we can know more clearly what is wrong with the dog.
1. If the dog vomits out food and eats the food back immediately, it will be fine after that. This kind of vomiting is physiological vomiting, that is, vomiting similar to rumination. There is no need to see a doctor for this kind of vomiting.
2. If what you spit out is saliva, it is mostly an esophageal problem. Such as: foreign bodies in the esophagus (food stuck in the esophagus, usually bones)
3. If the color of the vomit is transparent or white and thin, this is gastric juice, which is the gastric acid secreted by the stomach. This type of Vomiting is most common in acute gastritis. (But if it becomes normal after vomiting, you don’t need to see a doctor yet. Just fast for 12 hours. If vomiting persists, you still need to see a doctor, because it may also be caused by foreign bodies blocking the gastrointestinal tract, or the liver, kidneys, Vomiting caused by pancreatitis!)
4. If the color of the vomit is yellow-yellow-green, it means that bile has been vomited out. Usually if you see vomiting of this color, you need to see a doctor! Because this represents a lot of conditions, in addition to the above-mentioned liver, kidney, pancreas and other problems, there are also gastrointestinal ulcer problems!
5. When the color of the vomited out is brown, it is not the color of feed or food, but the color of gastric juice is brown, which means there is bleeding in the stomach. The most common ones are gastric ulcers and duodenal ulcers! 6. If it is bright red, then don’t hesitate anymore. This is acute bleeding. Get to the doctor quickly!

Analyzing the cause of vomiting in dogs

According to the frequency of vomiting in dogs, the cause of vomiting can also be preliminarily determined.
1. After eating, vomiting a large amount of normal gastric contents at one time does not occur again within a short period of time. This situation indicates that the dog has eaten too much.
2. Vomiting or retching occurs after eating, or 2-3 hours after eating. In this case, it is often acute gastric dilatation.
3. After eating, vomit frequently until all the contents are vomited. In this case, it is mostly caused by diseases of the stomach, duodenum, and pancreas.

Response measures for dog vomiting

When a dog vomits, you should first observe the frequency, number of times the dog vomits, and the color and quantity of the vomit. If you vomit 1 or 2 times without any other abnormal symptoms and continue to eat after vomiting, it is mostly physiological vomiting and can be ignored, but this situation is relatively rare. In addition to excluding physiological vomiting, if vomiting occurs, the following measures are generally taken.
1. Generally, vomiting is not good for eating.Those affected do not need special treatment.
2. If frequent vomiting affects eating, fasting and drinking should be avoided for 4-6 hours to prevent accidental entry into the trachea. After vomiting stops, eat gradually, or supplement nutrition and water intravenously.
3. Sedation and anti-vomiting, such as oral administration of vitamin B6, diazepam, metoclopramide, atropine or the human drug Motilium, or oral administration of chlorpromazine, intramuscular injection, or intramuscular injection of Emol to stop vomiting.
4. If you vomit frequently, last for a long time, do not eat, or vomit immediately after eating, and are accompanied by other abnormal symptoms, such as lack of energy, elevated body temperature, etc., you should be sent to a doctor for treatment in time. Dogs often vomit, and the vomit is not food and has a different color. Gastritis, foreign bodies in the stomach, gastric volvulus, food poisoning, drug poisoning, or the early stages of canine parvovirus may be suspected. Overall, dogs often act as if nothing happened after vomiting. In fact, except for physiological vomiting problems (rumination), it is safer for dog owners to take their dogs to the hospital for a checkup.
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