Toxic
Can dogs eat macadamia nuts? No: toxic
Toxic. Macadamia nuts can cause weakness, wobbliness, vomiting, tremors and fever in dogs, usually within 12 hours.
If your dog ate or touched this, call your vet or a pet poison line now
United States
Poison lines in other countries: United Kingdom, Australia, Canada, New Zealand
What to do now
- Call your vet or a pet poison line now.
- Note what was eaten, roughly how much, and when.
- Check whether the snack also had chocolate or raisins.
- Move your dog away from any remaining nuts.
Don't
- Don't make your dog vomit unless a vet tells you to.
Signs to watch for
- Weakness, especially in the back legs
- Wobbly walking or inability to walk
- Vomiting
- Tremors
- High body temperature
- Lethargy or depression
- Joint stiffness
When signs appear: Usually within 12 hours; most dogs recover within 1-3 days
Why
The toxin is unknown, but it affects a dog's nerves and muscles.
Sources
- Pet Poison Helpline: Macadamia Nuts
- Merck Veterinary Manual: Macadamia Nut Toxicosis in Dogs
- ASPCA Animal Poison Control: People Foods to Avoid Feeding Your Pets
Guide reviewed 9 October 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.