As a pet owner and educator, it’s crucial to understand the foods that can harm dogs. Chocolate, especially dark or baking chocolate, is highly toxic due to theobromine. Grapes and raisins may lead to kidney failure, while xylitol, found in sugar-free products, can cause a rapid drop in a dog’s blood sugar level. Onions and garlic, when ingested in large amounts, can damage a dog’s red blood cells. Avocado, with its persin content, can be harmful, causing stomach upset. Macadamia nuts also pose a risk, potentially causing weakness, vomiting, or hyperthermia. As a dog lover, avoiding these items ensures their well-being and health.