Written by: Savannah Welna,Dogly Nutrition Advocate & Canine Nutritionist
Grapes, including seedless grapes or dried grapes (raisins and sultanas), should never be fed regardless of the dog breed or age. The amount of grapes that may result in adverse reactions is not precisely known and therefore the safest amount to feed is none at all. Even though some dogs have consumed large amounts of grapes with no issues at all, those instances should not be extrapolated to other dogs who have become ill off of just a small amount of grapes -- regardless of their weight.
Because there is not a lot of knowledge surrounding the precise reason grapes/raisins cause ill effects, dog owners must be extremely careful about what their dogs have access to. Growing grapes unrestricted outside may mean the dog tries some grapes out of curiosity. Some house guests may not be aware of the toxicity of grapes when sharing food with your dog. Open bowls of grapes or raisins can be hazardous for counter surfers.
Symptoms of Grape Toxicity
The cause of grape/raisin poisoning is unknown but well documented. Grape or raisin toxicity may include lethargy, vomiting, renal failure, abdominal pain, increased thirst (and therefore increased urine production), kidney damage, and even sudden kidney failure. When the kidneys experience significant damage, the dog may then experience little urination ability. Dogs who are experiencing abdominal pain may pant and pace. Depending on the dog, symptoms can occur within hours of ingestion.
What To Do If Your Dog Eats Grapes
Grape consumption will not always result in grape poisoning, but catching it early is key as sometimes your vet can help you induce vomiting. Contact the ASPCA Animal Poison Control Center and your veterinarian immediately. They may run blood work to determine if toxins from grapes are circulating in the bloodstream. Acute kidney failure can result in loss of urine production and will require veterinarian intervention (dialysis).
Feeding your dogs grapes can have detrimental side effects. Instead, you may consider feeding safer, dog-friendly fruits such as blueberries or the flesh and skin of apples, which can complement dog food in a much safer and beneficial manner.
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