Maybe. Donuts are high in sugar and fats, which are both harmful in large doses, and the oil donuts are fried in may give your dog indigestion or diarrhea. Specifically, too much sugar and fats can cause pancreatitis in dogs, which can be painful or even fatal, so donuts are not a part of a healthy diet for any dog. If you dog has eaten donuts and has an upset stomach, a bland diet of rice and unseasoned chicken or ground beef may help.
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 “Why is chocolate bad for dogs?” or “Can My Dog Eat Cinnamon Rolls?”
The information provided in this article is not a substitute for professional veterinary help.