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My dog ate raisins. Should I worry about grape and raisin toxicity?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 10 years and 1 month old

My dog ate a few raisins will he be okay? I have heard raisins and grapes are toxic to dogs.

4 Answers

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on January 25th, 2018

Hello. This is always a bit of a quandary because there are no hard rules for raisin & grape consumption in small amounts. A few raisins in a 60-pound dog is probably or no consequence, but some dogs can react to just one. Personally, I would just watch Buddy. Most problems will develop in 6-24 hours, & consist of vomiting &/or diarrhea. If any of these should develop, get to your vet immediately. No vomiting or diarrhea by 48 hours, then he will be fine. Just be diligent in keeping an eye on him. Thank you for using Petco Pet Education Center, formerly Petcoach.

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Other Answers

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    Answered By Linda G, MS, DVM

    Veterinarian

    Published on March 4th, 2020

    Hello. We really do not know what the toxic limit of grapes are, but I have never seen a dog get sick with the ingestion of just one grape. If your dogs remain well over the next 3-4 days, then you will have no worries. Any vomiting, diarrhea, appetite loss or lethargy in this time period should indicate a visit to your veterinarian is necessary. But if they remain well, they will be fine. Thanks for using Petco Pet Education Center, formerly Petcoach.

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    Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

    Veterinarian

    Published on January 12th, 2020

    Unfortunately the ingestion of just few grapes can be toxic to dogs. Since there are still many unknowns associated with this toxicity, it is better not to take any chances. The most common early symptom of grape or raisin toxicity is vomiting, diarrhea, excessive thirst, excessive urination or lethargy. The goal of treatment is to block absorption of the toxins and prevent or minimize damage to the kidneys. Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further. If this answer was helpful please let us know, this will be used to improve our service!

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    Answered By Jeffrey Milner

    Veterinarian

    Published on May 6th, 2017

    Grapes are toxins that are considered to cause what is called an idiosyncratic reaction. This means that while some dogs can eats tons and tons of them and experience no ill effects, other dogs can eat just one and have extremely serious side effects including kidney failure and death. If we go by the statistics, Harley has probably not consumed enough grapes to cause a toxic reaction at his size and weight. You can certainly bring him to the vet and have them induce vomiting, provide supportive care, and test the blood over the next 24-72 hours for signs of kidney failure if you want to be as careful as can be. Conversely, you can assume that Harley does not fall into that small group of dogs that has extremely severe reactions to small amounts of the toxin. There is simply no way to tell, unfortunately.

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