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Is Grapes toxic to dogs or cats?

Category: Food | Last reviewed: April 2026

Quick verdict

Dogs

EMERGENCY

Cats

TOXIC

Grapes and dogs

EMERGENCY
Severity: Critical

The toxic mechanism in grapes and raisins is unknown - which makes any amount dangerous. There is no established safe dose. Some dogs have eaten a single grape and developed acute kidney failure; others have eaten more with no symptoms. Do not gamble.

Onset

12-24 hours for kidney symptoms; vomiting often within hours

Symptoms

  • - vomiting
  • - diarrhoea
  • - lethargy
  • - loss of appetite
  • - abdominal pain
  • - decreased urination
  • - kidney failure

What to do now

Treat any grape or raisin ingestion as an emergency. Call ASPCA Poison Control (888-426-4435) or rush to an emergency vet immediately. Kidney damage can be irreversible.

Grapes and cats

TOXIC
Severity: High

Cats are rarely drawn to grapes, but the same toxic mechanism applies. Any ingestion should be treated urgently.

Onset

12-24 hours

Symptoms

  • - vomiting
  • - lethargy
  • - kidney damage

What to do now

Call ASPCA Poison Control (888-426-4435) or your vet immediately.

Data sources

Last reviewed: April 2026

Data error? Email data@treatortoxic.com with a source reference.

This page is a quick verdict. For a comprehensive guide including serving sizes, nutritional benefits, and safe preparation methods, see: candogseatgrapes.com

Also see: Dog toxin hub | Cat toxin hub | Emergency guide
Not veterinary advice. If your pet has ingested any potentially toxic substance, call ASPCA Poison Control 888-426-4435 or Pet Poison Helpline 855-764-7661 immediately. For emergencies, contact your veterinarian. This site is educational only.