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Can Dogs Eat Macadamia Nuts?

☠️ Toxic
✅ Cross-checked against veterinary poison-control guidance · Oct 2026 audit
⚠️ Educational info only. If your pet just ate something and looks unwell, skip the reading and call your vet or Pet Poison Helpline (US): (855) 764-7661.
No. Macadamia nuts are genuinely toxic to dogs, and the mechanism is still not fully understood.

Why it’s a problem

Macadamias cause a distinct syndrome in dogs: weakness in the hind legs, tremors, vomiting and fever, usually within 12 hours. As few as six nuts can affect a small dog, and combining them with chocolate multiplies the danger.

How to serve it safely

Never feed macadamias in any form — plain, roasted, in cookies or in trail mix. Store them where a determined nose cannot find them.

Warning signs to watch for

Hind-leg weakness or wobbliness, muscle tremors, vomiting, fever and lethargy, typically within 3 to 12 hours. Most dogs recover with care, but severe cases need support.

When to call the vet

Call a vet or pet poison hotline as soon as ingestion is known — early decontamination makes recovery smoother.

Common questions

How many macadamia nuts are dangerous?

As few as six nuts have poisoned dogs. There is no known safe amount, so any ingestion warrants a vet call.

My dog ate one nut and looks fine — now what?

Symptoms can take up to 12 hours to appear. Call your vet with the amount and your dog’s weight, and watch closely.

More foods for dogs

This page is general educational information, not a substitute for professional veterinary advice. Every pet is different — if your animal ate something concerning, contact your veterinarian or a pet poison hotline right away.