Why is nutmeg toxic to dogs?

Nutmeg contains myristicin, a natural compound that acts on the nervous system. In dogs, larger amounts can cause disorientation, racing heart, abdominal pain, tremors and seizures — effects that can last many hours.

My dog ate a cookie with a pinch of nutmeg. Is that an emergency?

The trace of nutmeg in a baked treat is unlikely to cause serious poisoning — at most mild stomach upset. The rest of the cookie (sugar, butter, raisins, chocolate) may matter more. Call your vet if anything else risky was in it.

How much nutmeg is dangerous?

There is no established safe dose, and the scary cases involve concentrated amounts — a raided spice jar or whole nutmegs — rather than a sprinkle. Treat any spice-jar raid as a call-the-vet event.

Is mace the same risk as nutmeg?

Yes. Mace is the covering of the same nutmeg seed and also contains myristicin, so treat it identically — no sharing, and store it with the lid on.

Can Dogs Eat Nutmeg? Vet-Sourced Answer

Can Dogs Eat Nutmeg?

Toxic to dogs

No. Nutmeg contains myristicin, which in dogs can cause disorientation, a racing heart, tremors and seizures — keep the spice jar closed.

Quick facts

Quick facts
Verdict	Toxic
Risky amount	No safe or toxic dose is established — treat any amount as a risk.
Key symptoms	Disorientation or agitation, Elevated heart rate, Dry mouth and increased thirst, Abdominal pain, Tremors, Seizures (large amounts)
What to do	If your dog got into the nutmeg jar or ate a large amount of heavily spiced food, call your vet or a pet poison hotline — significant ingestions can cause tremors and seizures and need monitoring.

Why nutmeg is on the toxic list

Nutmeg — and mace, from the same seed — contains myristicin, a compound that affects the nervous system. Dogs that eat a meaningful amount can become disoriented and agitated, develop a racing heart, dry mouth and abdominal pain, and in serious cases progress to tremors and seizures. Signs can persist for many hours, which makes even “he seems fine now” ingestions worth a call.

Dose is the whole story

A pinch baked into a cookie is a very different event from a raided spice jar. The dangerous scenarios are concentrated ones: a dog chewing whole nutmegs, licking up a spilled container, or eating a lot of heavily spiced holiday food. That said, there’s no established safe amount and no reason to feed any — nutmeg does nothing good for a dog.

Holiday baking season is when cases cluster: pumpkin pie, eggnog and spiced cakes combine nutmeg with fat, sugar and sometimes alcohol or raisins.

What to do if your dog ate nutmeg

For a trace amount in food, watch for stomach upset and unusual behavior. For anything concentrated — spice jar, whole nutmegs, a large slab of spiced dessert — call your vet or a pet poison hotline with an estimate of the amount. Treatment is supportive, and dogs seen early do well.

If your dog ate it

If your dog got into the nutmeg jar or ate a large amount of heavily spiced food, call your vet or a pet poison hotline — significant ingestions can cause tremors and seizures and need monitoring.

In the US you can also call the ASPCA Animal Poison Control Center at (888) 426-4435 (a consultation fee may apply).

Frequently asked questions

Why is nutmeg toxic to dogs?: Nutmeg contains myristicin, a natural compound that acts on the nervous system. In dogs, larger amounts can cause disorientation, racing heart, abdominal pain, tremors and seizures — effects that can last many hours.
My dog ate a cookie with a pinch of nutmeg. Is that an emergency?: The trace of nutmeg in a baked treat is unlikely to cause serious poisoning — at most mild stomach upset. The rest of the cookie (sugar, butter, raisins, chocolate) may matter more. Call your vet if anything else risky was in it.
How much nutmeg is dangerous?: There is no established safe dose, and the scary cases involve concentrated amounts — a raided spice jar or whole nutmegs — rather than a sprinkle. Treat any spice-jar raid as a call-the-vet event.
Is mace the same risk as nutmeg?: Yes. Mace is the covering of the same nutmeg seed and also contains myristicin, so treat it identically — no sharing, and store it with the lid on.