Caution
Can dogs eat kale? Caution
Caution. A little kale is probably harmless for most dogs, but it can irritate the stomach and may contribute to bladder or kidney stones.
Kale and dogs: key facts
- Verdict
- Caution · Watch at home
- What it can do
- Vomiting, diarrhea and changes in urination.
- How to serve
- Green beans or cucumber are better choices. If you share kale, give only a small amount, and not regularly.
- What to do now
- Watch for vomiting, diarrhea or changes in urination. All steps
- Sources
- AKC. Reviewed 9 October 2026.
What should I do if my dog ate kale?
- Watch for vomiting, diarrhea or changes in urination.
- Call your vet if these signs appear or your dog has a history of stones or thyroid disease.
Don't
- Don't make kale a regular treat.
- Don't feed it to dogs prone to kidney or bladder stones.
How to give it safely
Green beans or cucumber are better choices. If you share kale, give only a small amount, and not regularly.
Symptoms to watch for
- Vomiting
- Diarrhea
- Changes in urination
Why
Kale contains calcium oxalate, linked to kidney and bladder stones, and isothiocyanates that can irritate the stomach. Regular feeding may affect thyroid function.
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.