That’s right you guessed it— kitchen cooking staples onions and garlic no are horrible for your dog to ingest. Onions and garlic in all forms — powdered, raw, cooked, or dehydrated — can destroy a dog’s red blood cells, leading to anemia. That can happen even with the onion powder found in some baby food. An occasional small dose is probably OK. But just eating a large quantity once or eating smaller amounts regularly can cause poisoning. Symptoms of anemia include weakness, vomiting, little interest in food, dullness, and breathlessness.
This article was excerpted from http://pets.webmd.com/dogs/ss/slideshow-foods-your-dog-should-never-eat and reposted by New York Dog Nanny.