Chocolate: Chocolate contains theobromine, a compound that can be toxic to dogs. The darker the chocolate, the more theobromine it contains. Symptoms of chocolate poisoning can include vomiting, diarrhea, increased thirst, panting, restlessness, and seizures.
Grapes and raisins: Grapes and raisins can cause kidney failure in dogs. The exact mechanism of toxicity is unknown, but it is thought to be related to the presence of certain compounds in the grapes and raisins. Symptoms of grape or raisin poisoning can include vomiting, diarrhea, lethargy, decreased appetite, and abdominal pain.
Macadamia nuts: Macadamia nuts can cause a variety of symptoms in dogs, including vomiting, diarrhea, weakness, depression, and tremors. The exact mechanism of toxicity is unknown, but it is thought to be related to the presence of a toxin in the nuts.
Onions and garlic: Onions and garlic belong to the Allium family of plants, which also includes shallots, leeks, and chives. These plants contain compounds that can damage red blood cells in dogs, leading to anemia. Symptoms of onion or garlic poisoning can include vomiting, diarrhea, weakness, lethargy, and pale gums.
Other foods to avoid: Other foods that can be harmful to dogs include:
* Alcohol
* Coffee
* Tea
* Milk and dairy products (some dogs are lactose intolerant)
* Raw eggs (can contain salmonella bacteria)
* Raw meat (can contain harmful bacteria)
* Bones (can splinter and cause internal injuries)
* Fruit pits and seeds (can contain cyanide)
* Macadamia nuts
If you are ever unsure whether a food is safe for your dog, it is best to err on the side of caution and avoid giving it to them. Contact your veterinarian if you have any questions about your dog's diet.