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Yellow Puke in Dogs

Ultimate Guide to Understanding Why Your Dog is throwing up Yellow Puke

Truly, the worst can only happen when you notice your dog has stomach issues. What will you do when you see your pet puke in a different color than normal? A dedicated dog-parent will run to look for references, solutions or bring the pet to a vet.

You will always feel a sense of panic when you see a colored pigmentation in your dog’s vomit. You should always take a moment and ask yourself, what could be the reason for this? 

Identifying what is wrong in a dog’s vomit

Why do dogs vomit?

Dogs will always provide hints for its ailments (Dunn, 1989). The following indications in dogs which include vomiting occurrences, uniformity, and the vomit color, these should alarm you about your pet’s health condition.

The first visible hint in our dog is the color of the vomiting. The color extends and shows a pigmentation of yellow and this is the foundation of knowing what your dog is suffering from.

A yellow vomit in dogs is a clue that your dog is vomiting its own bile. It may sound scary but as a good parent to your dog, you should automatically connect the dots that your dog is trying to signal you of a possible bile vomit. 

Briefly, let’s understand the digestive system of a dog so as to get the roots of these symptoms. Bile is an aid in breaking down consumed food matters and substances by your dog. Produced in the liver, the dog’s bile is a liquid or rather a stomach fluid which decomposes with consumed food and digest them in the ileum of the dogs. But do not just draw conclusions blindly on the nature of your dog’s vomit. Some yellow pigmentations on the vomit does not always mean the dog is egesting bile. 

The second signal is a puke with the characteristics of a yellow foamy liquid or fluid. To a dedicated dog owner, the above characteristics of this syndrome should always alarm you. 

Reasons Why Dogs Have Yellow Puke

Reasons why Dogs have yellow puke

It is important to know the reason as to why your dog puke yellow vomit. It is always better to be aware of your dog’s illness and understand the symptom easily to avoid unnecessary panic and fears.

Your dog may be hungry

It could be a reason as to why your dog is having some troubles in vomiting a yellow-pigmented which is very abnormal from healthy dogs. You should ensure that your dogs are well fed. 

Biologically, the dog’s digestive mechanism produces bile in the inners systems of a dog. The bile can be produced in the stomach wall and this could be the reason as to why your dog is vomiting the yellow substance.

Some of you want to know how this bodily bile production will affect the dog. And the answer is quite simple. When bile reaches the stomach walls, the acidity nature of the dog impacts the dog in an irritation that will result in yellow vomiting (Noel, 2018). This condition is biologically known as Bilious Vomiting Syndrome fatal to the dog and fatal to the emotion of the dog’s owner. 

Food allergies

It could be true that your dog is having some food allergies. You should always watch your dog’s diet and a change in diet can result in bilious vomiting syndrome. Some dog feeds have a history of possessing various food allergens and your dogs can react to them. 

The negative reaction can come out in a form of the yellow puke and the dog’s owner should always be alarmed. Some of these foods include fish, pork, soy, eggs, rabbit, beef, dairy products, wheat, corn, and many more. 

You should monitor the effect of every food you give to your dog so you can keep track of the various digestive behaviors your pet is experiencing. When your dogs abnormally react to the change of diet, you should not panic. The abnormal reaction could be a yellow puke because sudden changes in your dog’s diet can affect and trigger discoloration in your dog’s vomit. 

Ask yourself often: How long has it been without feeding your dog some certain type of foods? When you fed the dog with that particular food, did the dog react with a yellow vomit? According to vets, without feeding your dog some kind of food will be of impact to your dog when you eat the food.

Eating grass and other stuff

Dogs have a characteristic tendency of testing mother nature through tasting its surroundings. The dog is a culprit of these charming but risky behaviors. A dog can decide to eat grass and leaves out of curiosity or if they just feel like to.

Related to this grass eating scenario, a dog can eat a piece of food stuff on the ground where substances can be soil. The dog consuming the soil is an enough factor of this condition called bilious vomiting syndrome. 

Note that if a dog develops these characteristics of eating grass and leaves where you are walking with it, it could be a clear reason that you are not feeding the dog with a balanced diet. 

You can learn more about why dogs eat grass in another post of ours, you can visit it here: Comprehensive Guide to Understanding the Reason Why Dogs Eat Grass

Motion sickness and excessive heat exposure

Motion sicknesses and excessive heat exposure to your dog could be a clear indication as to why your dog is vomiting with a yellow pigmentation. Climate changes can also result in yellow vomit. 

In particular, when your dog is exposed to extreme heat, it can lead to bilious vomiting syndrome. As elaborated earlier, the symptoms occur as a yellow foam of puke which is often fatal. Ensure that your dog is well hydrated and stays in a serene cool place with less heat.

The relationship of dogs to humans extends further with sharing similar characteristics and traits. A human can vomit if he or she is in a moving object such as cars, trains and planes. This applies to a dog as well. If you carry your dog with your car, it might experience some allergies and conditions such as puking a yellow substance. 

Bilious vomiting syndromes affect the dogs if they are subject to moving vehicles or objects. Protective measures such as getting your dog out of a car is significant in reducing and mitigating these illnesses.

Yellow vomiting as a symptom of a dog’s illness

Three reasons why dogs vomit yellow

Yellowing vomiting is a symptom of a potential illness and infection to your dog and getting to know the condition is important. It is ideal to understand the potential threat of these symptoms that can be related to gastrointestinal distress and the illness of the bilious vomiting syndrome condition. Below are examples of possible illnesses your dog may have because they’re experiencing yellow vomit.


One hint of bilious vomiting syndrome or the yellow vomiting is a syndrome that shows the rapid thrive of the pancreas and can be related to an infection called pancreatitis. Although it is accorded with other symptoms such as extreme diarrhea, the yellow vomiting can be a proof of pancreatitis in dogs. 

It might not be that serious but it may build up and can be life-threatening, one reason this occurs is because your dog has ingested grass or anything that is not ideally edible.

If an abnormal abdominal pain which is followed by yellow vomiting is witnessed in dogs, the animal needs medical attention for pancreatic infection. These are the symptoms.

Gastrointestinal complications

Bilious vomiting syndrome is a foundation of a thriving disease of gastrointestinal problems. Your dog may have further complications and symptoms accompanied with excess bilious vomiting syndrome (Ettinger, 2005). Take your dog to the vet if the yellow vomiting condition is accompanied by lack of appetite in dogs, a sudden weight loss and blood in its vomit as this could cause deeper sickness. It will be important. Save the day by saving your dog.

Intestinal obstructions

 A common dog attribute includes playfulness which is quite notable. When the dog plays, it could swallow some objects such as keys and other materials. This is often fatal and if it does these without you noticing, the first symptoms will be the yellow vomiting. Learn to study your pet to ease detecting these conditions. 

Remedy for yellow vomit

Remedies for yellow vomit

The first one is feeding your dog with a reasonable amount of food on a daily basis. You don’t have to excessively feed your dog. In fact, feed your dog with regular small portions of food rich in balanced diets. If you feed your dog with a quarter minced meat a day, make sure it gets an eighth in the morning and the other eighth in the evening (Hotchner, 2005).

The second one is keeping track of your dog’s diet by properly feeding it with a properly balanced food that will not lead to allergic reactions and related ailments. This includes a thorough analysis and monitoring of your favorite dogs’ meals. Keeping track of your dog’s feeding diets is the secret of keeping your dog free from toxins. Ease your dog’s food by making them digestible.

This is our third remedy that will make your dog avoid issues such as food blockages which can lead to infections and ailments associated with bilious vomiting syndrome symptoms. In addition to the therapies of yellow puke, one of the most significant practices that should be adopted by the pet’s owner is to keep your dog hydrated (Ferguson, 2016).

For vomiting conditions, it is important to give your pet lots of water to avoid excess dehydration which is often fatal to your pet.  If the vomiting is massive, the dog can be medicated with “plenty-full” fluid therapy such as water.  

In conclusion

Don’t be alarmed when your dog puked yellow suddenly. It could be that your dog is being hungry, having allergies or suffering from motion sickness. In more serious cases, it could be caused by serious illness associated with Pancreatitis, Gastrointestinal complications, intestinal obstructions.

One of the best ways to avoid this problem is to know what is meant by preventions. The solution towards cure starts with the dog’s owner through the introduction of strategies that will result in a healthy life of his/her pet. Hydrate your dog more often when it is suffering from these acute vomiting. As discussed in the remedy segment, make your sick dog some feeds that can be easily digested in its system.

Additionally, save your dog from complication of digestion by sticking with recommended dog diets. If your dog is vomiting when you carry it with your car, take a break from driving to see whether your dog is suffering from motion sickness. If you follow these recommendations, we are sure you can bring immediate short-term and long-term relief to your dog. 


Dunn, J. (1989). The vomiting dog: Part 2: Differential diagnosis of chronic vomiting and general medical management of the vomiting patient. In Practice, 11(6), 223-230.

Noel, R. J. (2018). Vomiting and regurgitation. Nelson Pediatric Symptom-Based Diagnosis, 204-234.e1.

Hotchner, T. (2005). The dog Bible: Everything your dog wants you to know. Penguin.

Tighe, M. M., & Brown, M. (2014). Mosby’s comprehensive review for veterinary technicians – Ebook. Elsevier Health Sciences.

Ettinger, S. J., & Feldman, E. C. (2005). Textbook of veterinary internal medicine: Diseases of the dog and cat.

Washabau, R. J., & Day, M. J. (2012). Canine and feline gastroenterology. Saunders.

Ferguson, L., Wennogle, S. A., & Webb, C. B. (2016). Bilious vomiting syndrome in dogs: Retrospective study of 20 cases (2002–2012). Journal of the American Animal Hospital Association, 52(3), 157-161.

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