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Can Dogs Eat Grapes? 🍇 Read Before You Feed!

If your pup is milling between your legs begging for a treat, you might wonder if it’s okay to pop him a grape from your fruit salad bowl.

The answer, unfortunately, is a big resounding NO!

Can dogs eat grapes?

Grapes and raisins on a table

Dogs may not be fed grapes under any circumstances. [1]

It is hard to believe that the sweet and delicious little grape you love and probably can’t live without is extremely harmful to your dog. Dogs should never eat grapes or raisins. [2] In fact, if they do, it usually is requires an emergency trip to the vet.

There are several substances which have been examined to determine the toxic nature [3] of grapes. These include herbicides and pesticides. Many possibilities have been ruled out, and in actual sense, the exact composition of a grape that causes toxicity remains a mystery.

Now, dogs of any age, gender or even breed can easily be affected.

It causes serious complications which can lead to kidney failure. Of course, this is not seen immediately and may develop over time. There is also no clear indication why the toxins are more severe in some dogs compared to others.

The amount they ingest and the level of hurt it can cause to your dog largely depends on the size and weight of your dog. Raisins are much more concentrated than fresh grapes and are therefore more dangerous.

Symptoms of grape toxicity in a dog

dog muzzle showing between grapes

Dogs who have ingested grapes or raisins might show a multitude of symptoms, and you should be observant for the following:

Vomiting and/or diarrhoea

Will occur a few hours after eating the grape, and the fecal contents plus vomit will contain pieces of the grapes that were ingested

Lethargy

Unusual sleepiness and quietness, and dog will appear weak

Oliguria

The passing of small quantities of urine at a time [4]

Anuria

The failure of kidneys to produce urine [5]

Additional symptoms may include:

  • a loss of appetite
  • dehydration
  • abdominal pain
  • tremors
  • foul breath
  • oral ulcers
  • coma
  • seizures
  • fluid cessation
  • depression
  • breathing difficulty
  • kidney failure.

Death is also a possibility, but this depends on the amount consumed.

So, yes, grapes can kill a dog.

The body, however, has to process and absorb the grapes, so death may not be instantaneous. Time is of the essence, and if you suspect your dog has ingested some grapes, rush to the vet immediately.

Immediate action to take if your dog ate grapes

inducing vomiting in dog who ate grapes

If your dog has ingested grapes or raisins, it will be classified as an emergency case.

If you suspect your dog may have eaten some grapes or raisins in the last 2 hours, the first thing you should do is to INDUCE VOMITING [6] as soon as possible, before the toxins in the fruit have time to be absorbed in the system.

DO NOT, however, induce vomiting if:

  • your dog is unconscious
  • he/she is having trouble breathing
  • he/she is exhibiting signs of shock or severe distress
  • if you are unsure of what he consumed.

In case the dog has already vomited, then, do not force him to try and vomit again. Call the veterinarian for advice. If they recommend that you should induce vomiting, then do the following:

  • If your dog has not eaten in the last 2 hours, give him a small meal. This will make it more likely for the dog to vomit but may not be essential if he is not interested in food.
  • Measure 1 ml of hydrogen peroxide 3% per each pound of dog’s weight, using a syringe or teaspoon and give it to your dog. [7] The maximum amount you can give of hydrogen peroxide at a time is only 45ml, and this is regardless of the weight of the dog.
  • Squirt some hydrogen peroxide at the back of the dog’s mouth by use of a syringe or turkey baster.
  • If he does not vomit 15 minutes after the first administration, you can try again using the same dosage. This method should not be used more than twice.

Treatment at the Vet’s offices

dog who ate grapes at the vets office sad

If the dog does not vomit after administering the hydrogen peroxide twice, do not try again to induce vomiting. Go straight to your veterinarian for further assistance, and do not try to use something else that you think is stronger than the hydrogen peroxide.

When you get to the vet, if the dog did not vomit at home, he will try and induce that first using his own methods, then he will do a gastric lavage, [8] which is basically washing out the stomach, and will be followed by the administration of activated charcoal in order to absorb any remaining toxins.

He will then begin an intravenous fluid therapy that will flush out the toxins from the bloodstream and encourage the dog’s kidneys to produce urine. If necessary, he may give the dog medication that shall reduce the vomiting and maintain the kidney functions.

The doctor will keep a close eye on the dog’s kidney functions with constant and regular checks of his bloodwork. In case the kidneys have failed to the point where they do not produce urine, the prognosis at this point is grave, and hemodialysis is necessary to support the life of your pup until his kidneys can recover.

In extreme cases, a kidney transplant may be an option.

Last nugget on grapes and dogs

dog at a table with grapes on

The easiest way of preventing grapes poisoning in dogs is to merely keep grapes and raisins out of their reach, as dogs have been known to ingest almost anything.

Ensure that everyone in the household understands the danger of the toxins as well as any other foods that have been known to be dangerous to dogs.

Other frequently asked questions:

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Related: Two Companies Fined $7 Million for Misbranded Pet Food Ingredients

Resources:

  1. Cortinovis, Cristina and Francesca Caloni. “Household Food Items Toxic to Dogs and Cats.Frontiers in veterinary science vol. 3 26. 22 Mar. 2016, doi:10.3389/fvets.2016.00026
  2. Grape and Raisin Poisoning in Dogs – PetMD
  3. Kovalkovičová, Natália et al. “Some food toxic for pets.Interdisciplinary toxicology vol. 2,3 (2009): 169-76.
  4. Legatti, Sabrina Almeida Moreira et al. “Acute kidney injury in cats and dogs: A proportional meta-analysis of case series studies.PloS one vol. 13,1 e0190772. 25 Jan. 2018, doi:10.1371/journal.pone.0190772
  5. Insufficient Urine Production in Dogs – PetMD
  6. Inducing Vomiting in Your Dog – Pet Health Network
  7. Effectiveness and adverse effects of the use of apomorphine and 3% hydrogen peroxide solution to induce emesis in dogs.” S.A. Khan. M.K. McLean. M. Slater. S. Hansen. S. Zawistowski. November 2012
  8. How to perform gastric lavage – VetGirl

About the Author

Dog Nutrition

Dog Nutrition

The Dog Nutrition team is here to help you navigate the stormy ocean waters that are the dog products industry. With over 10+ years experience in dealing with dog products and caring dog owners, we look beneath the surface to uncover hidden features, deals, and some of the most popular, best selling and highest reviewed dog products you can purchase.

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