Can cats eat grapes? No, cats cannot eat grapes. Grapes contain an unknown toxin that is harmful to cats. Even if a cat eats a small amount of grapes, it may cause symptoms of poisoning such as vomiting, diarrhea, or even kidney failure.



In severe cases, it can even lead to the death of cats. Therefore, it is not recommended to feed cats grapes, raisins, or similar foods such as blackcurrants and grapes, to avoid poisoning.