From well-known prohibited foods like chocolate to more surprising bad foods, the list of toxic food for dogs includes: Onions Garlic Chives Chocolate Macadamia nuts Avocado Artificial sweetener Grapes and raisins Alcohol Nutmeg Raw yeast dough Mushrooms It’s woof having to be told no – but sometimes it’s for their own good (Picture: Getty)As well as understanding that some foods have toxic ingredients, there are other foods that dogs should avoid in terms of physical issues digesting.