Dog ate grapes what should I do?

If your dog ate grapes or raisins, call your vet immediately. Grapes are toxic to dogs.

Grapes can cause sudden kidney failure in dogs, even in small amounts.

Emergency level

High. Treat any amount as dangerous.

What to do right now

Call your vet or an emergency clinic and tell them:

  • how many grapes (estimate is fine)
  • your dog’s size
  • when it happened

Do not wait for symptoms.

How much is dangerous?

There is no known safe amount of grapes or raisins for dogs. Even small amounts have caused kidney failure in some dogs. Because reactions vary, any amount should be treated as potentially dangerous.

When to call the vet

Immediately, even if your dog seems fine.

Some dogs show no symptoms until kidney damage has already started.

Sources: See full veterinary references here

What happens if a dog eats grapes?

Grapes can cause sudden kidney failure in dogs. Symptoms may include vomiting, lethargy, loss of appetite, and decreased urination. Call your veterinarian immediately.

Is there a safe amount of grapes for dogs?

No. There is no known safe amount. Even small amounts have caused serious illness in some dogs.

How quickly do symptoms start?

Symptoms often begin within 6–12 hours but kidney damage can occur before visible signs appear.