What to do if your pet ate it
Contact your vet or a poison line right away, report how much Grapes was eaten and your pet's weight, and keep any packaging or leftovers. Do not induce vomiting unless your vet tells you to.
Signs to watch for
- Vomiting and diarrhoea
- Lethargy and weakness
- Loss of appetite
- Severe: tremors, breathing trouble, collapse
If your pet shows vomiting, lethargy or any unusual behaviour after eating Grapes, go to the nearest emergency vet immediately.
Dogs and cats carry the same rating (Do not feed), so the notes below hold for either pet.
Other foods that are toxic or dangerous
The full A–Z food list groups every food by verdict for each species.
Why these cautions matter
Grapes and raisins are linked to kidney failure in dogs, and no safe amount is reliable — some pets react after only a few.
Frequently asked questions
Can cats eat Grapes?
NO — do not feed. Toxic. Can cause sudden acute kidney failure in dogs — no safe amount is known. Raisins are equally dangerous.
What if my cat already ate Grapes?
Call your vet or a poison line now with the amount of Grapes eaten and your cat's weight, and do not induce vomiting unless a vet tells you to. If Grapes was eaten and you then see vomiting, lethargy, tremors or breathing changes, go straight to the nearest emergency clinic.
Is there a safe amount of Grapes for cats?
There is no accepted safe dose of Grapes for cats; it is classed as toxic or dangerous, and reactions vary with the individual animal, so it is not something to feed at any amount.
How often can cats have Grapes?
Grapes is not something to feed at any interval; it stays off the menu entirely.
What are safer treats than Grapes for cats?
Pick from the safe list instead — Wheat or Noodles carry none of the risk that Grapes does, and they work better as an everyday treat.