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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?

  1. Watch for vomiting, diarrhea or changes in urination.
  2. 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.