Can dogs eat cat food? Caution
Caution. A little cat food now and then is unlikely to harm a dog, but it can cause vomiting or diarrhea and shouldn't be a regular meal.
Cat food and dogs: key facts
- Verdict
- Caution · Watch at home
- What it can do
- Vomiting, diarrhea, belly pain or a hunched back, lethargy and weakness and loss of appetite. All 7
- How to serve
- Not as a meal. Feed your cat where your dog can't reach. One or two small cat treats a day are fine for a healthy dog.
- What to do now
- Move the cat's food out of your dog's reach. All steps
- Sources
- AKC, VCA Animal Hospitals. Reviewed 9 October 2026.
What should I do if my dog ate cat food?
- Move the cat's food out of your dog's reach.
- Watch for vomiting, diarrhea or signs of tummy discomfort.
- Call your vet if these signs appear.
- Call your vet now if your dog has belly pain or a hunched back, a swollen belly, a fever, or seems weak and won't eat.
Don't
- Don't feed cat food as your dog's regular food unless your vet recommends it.
How to give it safely
Not as a meal. Feed your cat where your dog can't reach. One or two small cat treats a day are fine for a healthy dog.
Symptoms to watch for
- Vomiting
- Diarrhea
- Belly pain or a hunched back
- Lethargy and weakness
- Loss of appetite
- Swollen belly
- Fever
Why
Cat food is much higher in meat-based protein than dog food and lacks the balance of nutrients dogs need. Eaten regularly, it can cause stomach upset, weight gain and pancreatitis, and the extra protein can be hard on the liver and kidneys.
Sources
Guide reviewed 9 October 2026. Page updated 7 November 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.