Grape, raisin, currant & sultana poisoning in dogs

Updated 2026-09-30 · 1 sources

Based on: PDSA

Contact a vet today

Contact your vet today if you think your dog has this – it can become serious. It is a poisoning condition in dogs.

What you can do now

  1. Contact your vet today if you think your dog has this.
  2. Note when it started, how often it happens and what else you see.
  3. Take a photo or short video to show the vet.
  4. Keep fresh water available and let your dog rest somewhere calm.

Don't

  • Do not give any human medicine.
  • Do not wait if it gets worse.

What it is

Grapes, raisins, sultanas and currants are all potentially poisonous to dogs.[1] If eaten, they can cause gut problems and, in serious cases, kidney failure.[1]

Signs

  • Vomiting
  • Diarrhoea
  • Painful abdomen (tummy)
  • Blood in poo
  • Low energy
  • Reduced appetite

How a vet finds out

  • Blood tests

How vets treat it

  • Fluids through a drip
  • Diet change
  • Medication

What the experts say

“Overview. Grapes, raisins, sultanas and currants are all potentially poisonous to dogs. If eaten they can cause gut problems and in serious cases, kidney failure. The toxic dose varies from dog to dog, but in some cases, can be very small (i.e.”

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.

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Common questions

When should I contact a vet?

Contact your vet immediately if you believe your dog has eaten grapes, raisins, currants or sultanas – do not wait to see if they develop symptoms.[1]

What signs can this cause?

Signs can include vomiting, diarrhoea, a painful abdomen, blood in poo, low energy and reduced appetite.[1]

How may a vet check for this?

Your vet will run blood tests.[1]

Sources

  1. PDSA

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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