Grapes and raisins may be associated with acute kidney failure in dogs(Merck — grapes/raisins; ASPCA). The toxic dose is not reliably predictable at home: any relevant ingestion should be treated as a veterinary emergency.
Immediate response.If your dog has eaten grapes or raisins: contact your veterinarian or animal toxicology with weight, estimated amount and time. Don't wait to see if "something happens." Do not induce vomiting without professional advice.
Species and substance
Dogsfresh grapes, raisins or other products that contain them (breads, snacks). Do not use this sheet to justify experiments on other species.
Quantity/time
Individual sensitivity varies.We do not publish a home “safe dose.”Unknown amount = assumes risk. The time since ingestion determines decontamination options: the sooner you contact, the better.
Possible signs
- Vómito, diarrhea, letargo, dolor abdominal.
- Reduced urine or other signs of kidney involvement (may appear later).
What to do now / what not to do
- Do: retirar el alimento, llamar a clínica/toxiclogía, llevar envase o resto, anotar cronología.
- Don'ts:wait 24–48 hours “just in case”, home remedies, human medication, weekly generic care plans.
Based on reference sources · no published operational dose.
Frequently asked questions
A single grape
There is no reliable home threshold. Check with weight and quantity.
And the must or bread with raisins
It also counts. Show the product to the professional.
Does this replace a veterinarian?
No.
Sources
- ASPCA—Grapes ASPCA foods to avoid· consulted 2026-08-07
- Merck Veterinary Manual — Grape and raisin toxicsis capítulo grape and raisin toxicsis
- FDA / veterinary toxiclogy summaries— confirm with the case clinician; do not use generic covers as the only source
