My cat ate grapes or raisins – what should I do?

Updated 2026-09-30 · 4 sources

Based on: US FDA – Center for Veterinary Medicine, Giftinformationscentralen (Swedish Poison Information Centre), Pet Poison Helpline

Call a vet today

Call your vet today for advice – don't wait until signs appear. Signs can start within 6 hours, and kidney damage may occur after 1–3 days.

What to do now

What to do right now

Call your vet or the nearest emergency vet.
Note what was eaten, how much and when.
Bring the packaging.
Remove what is left and keep your cat calm.

Don't

Do not make your cat vomit unless a vet tells you to.
Do not give any human medicine.

Why it can be dangerous

Grapes and raisins may be toxic to cats.^[3] Vomiting and diarrhoea can come within 6 hours.^[2] Kidney damage may occur after 1–3 days.^[2]

Signs to watch for

Vomiting
Diarrhea
Kidney failure
Loss of appetite

Vomiting and diarrhoea can come within 6 hours; kidney damage may occur after 1–3 days.

Where it is found

Irish soda bread
Scones

If your pet is struggling to breathe, has collapsed, is having a seizure or can't stand up: go to the nearest vet now.

Not sure how serious it is?

OkPaw asks a few quick questions about your pet and tells you in 30 seconds whether it can wait. Free on Google Play for Android.

OkPaw is on Android now – an iPhone version is on its way.

Common questions

Which signs should I watch for?

Vomiting, diarrhea and kidney injury can occur.^[2]^[3]

How soon can signs start?

Vomiting and diarrhoea can come within 6 hours; kidney damage may occur after 1–3 days.^[2]

Sources

How this page was made: written with the help of AI from the sources below, then checked claim by claim against those sources. Urgency levels follow OkPaw’s fixed safety rules. It is guidance, not a diagnosis. How we write our pages

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