Probably not. Many cheese pizzas contain onion or garlic in the crust or sauce, even without other toppings. Onion and garlic are both harmful to dogs, so you must check all ingredients carefully. Dogs may also be lactose-intolerant and may have allergies or intolerances to wheat, as well. Monitor your dog carefully if they consume pizza.
Pizza has minimal nutritional value for dogs and is high in sodium. Even if your dog does tolerate small amounts of pizza, it’s best to avoid it. You won’t always know the ingredients, and there are better options for treats.
We’ve got tons of articles about which foods are safe or dangerous for your dog, from common snacks to fruits. You might also be interested in “Can My Dog Eat Spaghetti?“