Courtesy of Puppy Tales
Grapes, raisins and sultanas may cause acute renal failure (the sudden development of kidney failure) in some dogs.
Even though there has been some research, the reason as to why some dogs develop renal failure after eating grapes, raisins and sultanas is still unknown. Further work is needed to understand the toxicity and if there are other environmental factors that cause it to occur.
The toxic dose
Dogs that are affected by these foods can develop kidney failure 72 hours after ingestion. some dogs can eat relatively large volumes of grapes, sultanas and raisins without any issues while other dogs can consume one or two and become ill. Estimated amounts of fresh grapes associated with kidney injury are approximately 32g or 1.1oz per kilogram of your dog’s weight. Raisins and sultanas are slightly more powerful: from 11-30g or 0.39-1.06oz per kilo of your dog’s weight.
If you suspect your dog has ingested any grapes/raisins/sultanas call your vet.
If your dog has eaten grapes, raisins or sultanas they might have some of the following symptoms:
- not eating
- abdominal pain
- increased drinking
If your dog has consumed these foods within the past two hours your vet will most likely induce vomiting via an injection (hydrogen peroxide or apomorphine) followed by activated charcoal. If your dog has eaten a significant amount, started vomiting themselves or ingested the food several hours prior, intravenous fluid therapy might be suggested. In severe cases dialysis of the blood and peritoneal dialysis might be used to support the kidneys.
Grapes, sultanas and raisins are popular foods in many households so it is best to be vigilant and ensure that your dogs do not come in contact with these foods. Don’t leave them lying around at their level or any place that they can access.
Even if your dog doesn’t get ill the stress and cost of an emergency vet trip is never a great way to spend your day.
Please note: Puppy Tales provides these articles for information purposes only. For any health problems with your pet always seek immediate veterinary advice from your local veterinarian.