4. Onions and Garlic
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Both onions and garlic (raw, cooked, or powdered) contain compounds that can destroy red blood cells, leading to anemia. This includes foods seasoned with onion or garlic powder, which can be just as toxic as whole onions.
What to Do: If your dog eats onion or garlic, monitor them for signs of lethargy, weakness, or pale gums. Contact your vet if any symptoms appear, as anemia can be dangerous if left untreated.