Pupkeeper
Caution

Can dogs eat Brussels sprouts? Caution

Caution. A few cooked plain Brussels sprouts are nutritious but can give dogs a lot of gas and, in larger amounts, an upset stomach.

Brussels sprouts and dogs: key facts

Verdict
Caution
What it can do
Gas, stomach upset and diarrhea.
How to serve
Cook until soft (steaming keeps the most nutrients), trim most of the stem, and start with a small piece.
What to do now
No need to worry if your dog ate a few plain sprouts. All steps
Sources
AKC, RSPCA. Reviewed 9 October 2026.

What should I do if my dog ate Brussels sprouts?

  1. No need to worry if your dog ate a few plain sprouts.
  2. Expect some gas, and watch for diarrhea if they ate a lot.

Don't

  • Don't serve them raw or with herbs and spices.

How to give it safely

Cook until soft (steaming keeps the most nutrients), trim most of the stem, and start with a small piece.

Symptoms to watch for

  • Gas
  • Stomach upset
  • Diarrhea

Why

Brussels sprouts contain isothiocyanate, which speeds up the gut and causes gas. The gas is unpleasant but not harmful.

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.