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Can dogs eat macadamia nuts?

Not safe — toxic
No. Macadamia nuts are toxic to dogs even in small amounts, causing weakness, tremors, and overheating.

Macadamia nuts are among the more dangerous nuts for dogs. The exact toxin is unknown, but even a few can cause distinctive hind-leg weakness, tremors, and fever within 12 hours.

Did your dog already eat macadamia nuts?

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Frequently asked

How many macadamia nuts are toxic to dogs?

Even a small number can cause signs — as little as a couple of nuts per kg of body weight. Call your vet if your dog ate any, especially a small dog.

Are macadamia nuts deadly for dogs?

They're rarely fatal on their own and most dogs recover with supportive care, but the weakness and tremors are distressing and warrant a vet call — especially if chocolate-coated.

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Pocket Vet editorial team

Written and maintained by the Pocket Vet editorial team using authoritative veterinary sources. Reviewed June 9, 2026. This guide is informational only and not a substitute for professional veterinary care — see our editorial & safety policy. When in doubt, contact your vet; in a true emergency, go to an emergency clinic immediately.

Sources