Can dogs eat macadamia nuts?
Ask your vet about your own pet. This page is general information from the sources below.
No. Never share macadamia nuts with dogs; call your vet or a poison line if some is eaten. Pet Poison Helpline says macadamia nuts can make dogs very sick, with weakness, tremors, vomiting, a high body temperature and trouble walking. The ASPCA says signs usually start within 12 hours and dogs usually get better in 24 to 72 hours. Nobody knows exactly why macadamias are toxic.
Checked October 29, 2026.
Why
Pet Poison Helpline says macadamia nuts can make dogs very sick, with weakness, tremors, vomiting, a high body temperature and trouble walking. The ASPCA says signs usually start within 12 hours and dogs usually get better in 24 to 72 hours. Call a vet or a poison line if a dog eats any.
Good to know
Nobody knows exactly why macadamias are toxic. Pet Poison Helpline says it affects nerves and muscles, and the nuts' high oil can also cause pancreatitis.
Watch for: They hide in cookies, rocky road, fudge and trail mix.
Already ate it?
Call now, even if your pet seems fine. Say what was eaten, how much and when, and have your pet's weight ready.
Poison emergency? Call now
ASPCA Animal Poison Control: (888) 426-4435, 24 hours a day, every day. A consultation fee may apply.
Pet Poison Helpline: (855) 764-7661, 24/7. $99 per incident, follow-up calls included.
Or call your vet or the nearest emergency vet.
For the children
"Macadamia nuts can make dogs very sick. Never share this food, and tell a grown-up right away if a pet gets some."
A job: Be the label reader. Before a grown-up shares any food with the dog, check this page, and ask a grown-up if the food is not on it.
A fridge sheet
Never give dogs macadamia nuts.
If dogs eat some, don't wait. Call right away, even if they seem fine.
ASPCA Animal Poison Control (888) 426-4435, 24 hours. A consultation fee may apply.
Pet Poison Helpline (855) 764-7661, 24/7. $99 per incident, follow-ups included.
Or call your vet or the nearest emergency vet.
This page is general information from the sources below, not veterinary advice. Your own vet knows your dog. Dogs differ.
Sources
- Pet Poison Helpline: Macadamia Nuts (checked October 29, 2026)
- ASPCA: People Foods to Avoid Feeding Your Pets (checked October 29, 2026)
- Pet Poison Helpline: Can Dogs Eat Marshmallows? (checked October 29, 2026)