My dog ate grapes — what should I do?
🚨 RED — Go to an emergency vet NOW
Kidney failure; tartaric acid is the suspected toxin. Individual sensitivity is unpredictable, so no amount is considered safe.
What to do now
- Call an emergency vet or animal poison control right now, even if your dog seems fine — signs can be delayed.
- Head to the nearest emergency vet; call ahead on the way.
- Remove any remaining material and keep packaging/labels — the vet will want product names and amounts.
- Do not induce vomiting unless a vet or poison-control expert tells you to.
- Note the time it was eaten, roughly how much, and your dog's weight.
Why it's a problem
Kidney failure; tartaric acid is the suspected toxin. Individual sensitivity is unpredictable, so no amount is considered safe.
Symptoms to watch for
Vomiting, lethargy, reduced urination, kidney failure.
When: Vomiting within 24 h; kidney failure 1-3 days
Frequently asked questions
Is grapes dangerous for dogs?
Yes. Kidney failure; tartaric acid is the suspected toxin. Individual sensitivity is unpredictable, so no amount is considered safe. Treat it as an emergency and contact an emergency vet or animal poison control immediately.
What are the symptoms if my dog ate grapes?
Vomiting, lethargy, reduced urination, kidney failure.
How soon do symptoms appear after a dog eats grapes?
Vomiting within 24 h; kidney failure 1-3 days
What should I do if my dog ate grapes?
Call an emergency vet or animal poison control right now, even if your dog seems fine — signs can be delayed. Head to the nearest emergency vet; call ahead on the way.
Who can I call for help?
ASPCA Animal Poison Control (888) 426-4435 or Pet Poison Helpline (855) 764-7661, both 24/7 (fees may apply), or your nearest emergency vet.
Dose guidance
Merck: >1 grape per 4.5 kg (10 lb) may be enough to risk kidney injury; PawPanic treats any amount as RED (more conservative).
Sources
- Pet Poison Helpline: grapes
- Merck Veterinary Manual: Grape, raisin and tamarind toxicosis
- ASPCA: People Foods to Avoid Feeding Your Pets
Last verified against these sources: 2026-10-13. Where sources disagree, PawPanic uses the more conservative guidance.
Also known as: grape · Category: Food · Last reviewed 2026-10-14