There are many foods that can be harmful or toxic to your dog. We have compiled a list of 10 of the most toxic items that your dog may ingest. It's a good idea to have the phone numbers of the ASPCA Poison Control Center, your regular veterinarian, and an after-hours veterinary hospital posted in your home. Be sure to have an idea of how much of the substance your pet ingested and how long ago it happened. As with any toxic exposure, minutes count, so calling for help at once can save your dog’s life.