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Can Dogs Eat Grapes?
Verdict
Toxic — do not feed
Even tiny amounts can cause acute kidney failure.
Why it is toxic
The toxic mechanism (likely tartaric acid) varies between dogs — some tolerate, some die from a single grape. Never worth the risk.
Symptoms to watch for
Vomiting within a few hours, then lethargy, decreased urination, kidney failure. Treat as an emergency.
Always consult your vet. If your dog has eaten something you're worried about — or shows any unusual symptoms — call your veterinarian or a pet poison helpline immediately. This page is editorial guidance, not emergency advice for an individual animal.