Vomiting in Dogs

Vomiting in dogs is common and can be acute (sudden onset), or chronic (occurs over a period of time). This page looks at the signs of dog vomiting, the possible causes, and general care of dog vomiting.

Dog vomiting is a symptom that is, to a certain extent, quite normal. If your dog vomits once in a while but does not show any other signs of health problems, there is probably nothing to worry about. However, if your dog suddenly develops bouts of vomiting which don't seem to stop, or if the dog is suffering from chronic vomiting, a thoroughly examination is called for.

Signs of Vomiting in Dogs

There are telltale signs which show that a dog is going to vomit.

One sign is that the dog tends to lick her mouth incessantly maybe because she drools before vomiting.

Another sign is you can see obvious contraction of the stomach muscles, very often accompanied by heaving, and sometimes gagging.

Even before any of these signs are showing, when my dog Hana feels like throwing up, she always comes to me with a "sick look" on her face and her tail is way down between her legs. Her body looks stiff - perhaps due to upset stomach. So if we are observant, we most likely can tell that a dog is going to vomit.

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Causes of Vomiting in Dogs

There are numerous reasons that may cause a dog to vomit.

Some causes for mild acute vomiting in dogs include:

Over-eating
Eating too fast
Eating something indigestible or toxic
Anxiety
Motion sickness

Some causes for chronic vomiting in dogs include:

Food allergies
Reaction to certain drugs (e.g. (e.g. chemotherapy drugs, NSAIDs, steroids, antibiotics, etc.)
Stomach problems (e.g. gastritis, stomach ulcer)
Infectious diseases (e.g. parvovirus, distemper)
Worm infestation
Inflammatory bowel disease
Intestinal obstructions
Liver disease
Pancreatitis
Cancer, such as stomach cancer, and intestinal cancer

Besides problems in the digestive system, health problems in other parts of the body may also cause vomiting in dogs, such as:

Peritonitis (infection in the abdominal cavity)
Hepatitis
Kidney failure
Hormonal imbalance (e.g. Addisons disease, Diabetes Mellitus)

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Some Ways to Prevent Mild Dog Vomiting

Depending on the cause of vomiting, here are some measures that can be taken to prevent dog vomiting:

If your dog often vomits in the morning or before eating and the expelled substance is a clear yellow or brownish fluid, it may mean that she has an upset stomach caused by excessive stomach acids. Feeding your dog more frequent meals in smaller portions may solve the problem.
If you feed your dog once a day, and your dog gulps down the food very fast because she is hungry, it is more likely that she will vomit after eating. Try feeding her several smaller meals - she may feel less hunger and may eat slower.
As anxiety is a cause for vomiting in dogs, make sure that your dog has no stress or anxiety in her life! For example, many dogs feel threatened and experience anxiety if they have to eat in the presence of other dogs. Therefore, letting your dog enjoy her meals in a quiet, non-threatening environment can remedy this vomiting cause.

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When to See a Vet and Diagnosis of Vomiting in Dogs

If your dog suffers from chronic vomiting, or if she shows any of the following symptoms, take her to the veterinarian right away:

If the dog is vomiting more than 2-4 times a day.
If the vomit is foamy.
If there is blood in the vomitus.
If the vomitus is foul-smelling.
If the dog is weak or dehydrated*.
If the dog's belly is bloated.
If the dog is restless or panting, or seems to be in pain.
If the dog has a fever.

*To check for dehydration, pick up some skin on the back of your dog and let it drop. If the skin does not return to its original position immediately, it means dehydration.

Be prepared to answer some of these questions at the vet:

When did the vomiting start?
Did the dog vomit food or just bile?
Was the dog gagging or retching with no substances?
Has there been a recent dietary change?
Have you fed your dog fatty foods or table scraps?
Have there been recent environmental changes, e.g. have pesticides or herbicides been used in the yard? Is there a possibility that the dog has ingested rat poison, or some plants that may be poisonous to dogs?

Diagnostic tests may include:

An abdominal x-ray - to see if there is intestinal obstruction or bloat.
Blood work - to rule out poisoning, kidney or liver diseases, or pancreatitis, etc.
Fecal sample - to check for intestinal parasites.

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How to Deal With Dog Vomiting

If your dog has mild, acute vomiting but is otherwise fine, try fasting her for 24 hours.

After 4 to 8 hours of fasting, you can give her some broth.

If she can keep the broth down, offer her a bit more food after another 8 hours. You can add a bit of well-cooked meat, and some well-cooked grains such as oatmeal or rice to the broth.

If your dog starts vomiting again, resume just feeding her broth for another 12 hours or so and try again.

If your dog is suffering from chronic vomiting, it is essential that you take her to the vet for a thoroughly check-up to find out the underlying cause.

Natural Remedies for Dog Vomiting

Herbal and homeopathic remedies can be used effectively in treating vomiting in dogs. Please visit our page on Dog Vomiting Remedies for more information.

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