How Long Can a Dog Go Without Food? Dogs can usually go three to five days without food, however, this is not ideal. If your dog has gone two days without food, it is highly recommended you call a veterinarian if you haven't already. More important than your dog eating is their water intake.
What happens if a dog doesn't eat for 3 days?
Anorexia in dogs is a life-threatening condition. Untreated for several days, it can lead to malnourishment and dehydration. You should contact your vet straight away if your dog or puppy is refusing to eat, even if they're acting normally.
What happens if a dog doesn't eat for 2 days?
Most dogs can go three to five days without food, while in some cases they can survive seven days or more. However, if your dog won't eat for more than two days, we recommend that you talk to a vet. A bigger issue is water intake. Dogs can go far less without water than without food.
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