No. Grapes, raisins, sultanas, and currants can cause acute kidney failure in dogs. There is no established safe dose — treat any ingestion as potentially toxic.

How many grapes are toxic to dogs?

There is no safe amount. Some dogs develop kidney failure after a single grape; others eat several without obvious harm. Never assume your dog will be fine.

What should I do if my dog ate grapes?

Phone your vet or Animal PoisonLine on 01202 509000 immediately with your dog's weight and the amount eaten. Do not wait for symptoms and do not induce vomiting unless a vet instructs you.

Are raisins more toxic than grapes?

Raisins are concentrated grapes and are considered at least equally toxic. Mince pies, hot cross buns, and cereal with raisins pose the same kidney failure risk.

Dog Health

Can Dogs Eat Grapes UK?

Quick answer

**No — dogs must not eat grapes, raisins, sultanas, or currants.** They can cause **acute kidney failure** with no known safe dose. If your dog ate any amount, contact your vet or **Animal PoisonLine on 01202 509000** immediately — even if they seem well. Do not wait for symptoms.

Key takeaways

No. Grapes, raisins, sultanas, and currants can cause acute kidney failure in dogs. There is no established safe dose — treat any ingestion as potentially toxic.
There is no safe amount. Some dogs develop kidney failure after a single grape; others eat several without obvious harm. Never assume your dog will be fine.
Phone your vet or Animal PoisonLine on 01202 509000 immediately with your dog's weight and the amount eaten. Do not wait for symptoms and do not induce vomiting unless a vet instructs you.

The full picture

Causes, home monitoring, treatment options and the exact signs that mean call your vet — in the complete guide.

Read the full guide Check symptoms

Frequently Asked Questions

Can dogs eat grapes?: No. Grapes, raisins, sultanas, and currants can cause acute kidney failure in dogs. There is no established safe dose — treat any ingestion as potentially toxic.
How many grapes are toxic to dogs?: There is no safe amount. Some dogs develop kidney failure after a single grape; others eat several without obvious harm. Never assume your dog will be fine.
What should I do if my dog ate grapes?: Phone your vet or Animal PoisonLine on 01202 509000 immediately with your dog's weight and the amount eaten. Do not wait for symptoms and do not induce vomiting unless a vet instructs you.
Are raisins more toxic than grapes?: Raisins are concentrated grapes and are considered at least equally toxic. Mince pies, hot cross buns, and cereal with raisins pose the same kidney failure risk.

Reviewed 2026-07-19 against UK veterinary guidance · Information only — not a substitute for seeing your vet.