Yes, grapes are indeed toxic to dogs. The exact substance in grapes that causes toxicity is still unknown, but even small amounts can lead to serious health issues, including kidney failure. Symptoms of grape toxicity can include vomiting, diarrhea, lethargy, and loss of appetite. If you suspect your dog has eaten grapes, it is crucial to contact your veterinarian immediately. They may induce vomiting or provide other treatments to prevent serious complications. Always ensure that grapes and raisins are kept out of reach of your pets to avoid accidental ingestion.

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Topics covered in this question:

Dog Health Dog Care Pet Safety Toxic Foods Grape Toxicity