Letting your dog lick the foam off your cappuccino is not only unsanitary, but harmful to his health. This Stacker gallery showcases 30 foods that can potentially be poisonous to dogs. For us as owners, it sometimes takes quite a bit of self-control not to do so. Here are 20 foods that your pet should steer clear from: Can Dogs Eat Ham & Turkey? Grapes. Milk. This vegetable contains a compound called isothiocyanate. The gallery includes things like nutmeg, garlic, cherries, peaches, onions, and other everyday foods. 4. This is not an exhaustive list, and any decision to provide your pet with food not specifically intended for animals should be discussed with your veterinarian or pet nutritionist. Onions. Ingestion of cacao bean mulch can also be toxic. ... What to do if your pet eats a food that is dangerous. Sorry to break apart your Subway salad for this article, but onions, garlic,... 3. The list below highlights some of the most common foods that can be dangerous to animals. 25 Foods You Should Never Feed To Your Dogs. Some foods that are considered good for people can be very dangerous for pets. So for all pet owners, we rounded up a list of 20 common foods that you should never feed your pet. While it doesn’t affect people, it can be harmful to your dog. Certain ‘human’ foods, while seemingly healthy, can be dangerous for your dog to eat. While we're on the topic of cappuccino foam, it's worth mentioning that milk isn't good for your dog either. Bread Dough. Here are 20 foods you should never feed your dog. Your dog may become very sick quickly, and if you notice symptoms such as sudden vomiting, diarrhea and abdominal pain, she should be examined by a veterinarian and receive intensive fluid and antibiotic therapy. Broccoli is healthy for humans, but could be deadly to your dog if he or she eats a large amount. Cindy Grant . Worst 20 Human Foods For Your Dog Most dogs love nothing more than when their owner gives them a bite of food from their plate. This article has plenty of bread in it already. Here are 12 foods to avoid feeding your pet. Here are 12 foods to avoid feeding your pet. 20 of the Most Dangerous Foods for Dogs 1. A 20-pound dog can be poisoned after consuming about two ounces of baking chocolate, but it would take nearly 20 ounces of milk chocolate to cause harm. Therefore, you should keep you head on these 17 human foods bad for dogs that are combined in this entire list and make sure that you will never feed your dogs these foods. Mar 13, 2017, 10:30am. Human food can throw a dog's system out of whack, and can cause mild and serious health problems. Unfortunately, some people treat dogs with leftovers, and dogs sometimes treat themselves by stealing food. While this is usually fine, there are some human foods bad for dogs that we should never feed our pet-friends. Share Share Most people know not to feed chocolate to dogs. Some foods can become really dangerous or even deadly to your dog. Alcohol. Grapes and raisins are small enough to be a choking hazard,... 2. Pancreatitis in dogs often follows the consumption of a fatty meal or snack. Humans have an enzyme that breaks down lactose in milk, but dogs don't have very much of this enzyme. 1. Broccoli.