Nuts & Seeds · Food guide
Can dogs eat walnuts?
Fresh or unripe walnuts can contain mold that produces a toxin. This toxin is highly toxic to dogs.
Not a substitute for advice from your vetUpdated Sep 26, 2026
AI imageDid your dog eat walnuts?
Call your vet or an emergency vet right away, even if your dog still seems fine. Don't try to make your dog vomit yourself. On the phone, say what your dog ate, how much, when, and how much your dog weighs.
Why walnuts are toxic to dogs
Why it's dangerous
- Don't let your dog eat under a walnut tree
- Very high in fat
Keep an eye on dangerous foods
Kahuno shows you what your dog must not eat
Dogs should never eat walnuts. If the dangerous ingredient shows up in a food or snack, Kahuno shows the red safety rating the moment you log it, for everyone in the household who feeds the dog.
Frequently asked questions
What should I do if my dog ate walnuts?
Call your vet or an emergency vet right away, even if your dog still seems fine. Say what your dog ate, how much and when.
How many walnuts are toxic to dogs?
It depends on the dog, its weight and the amount, and it can't be reliably predicted. That's why the rule is: don't feed it at all.
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