What happens if a dog eats pizza?

They might experience a slight stomach upset if they're sensitive to dairy, due to the excess fat, but overall in many cases dogs are fine. If your dog ate a large amount of pizza and you're concerned, call your veterinarian to schedule an exam.

Will pizza harm a dog?

Pizza isn't great for dogs! The base has empty calories, and the sauce and some toppings can be downright toxic. By far the best option is to distract your pooch with a tasty dog-friendly treat. A piece of lean meat will go down every bit as well as that pizza.