Can dogs eat macadamia nuts?
UNSAFE Category: Nut · Reviewed September 2026
Macadamia nuts are uniquely toxic to dogs, though the mechanism remains unknown. As few as six nuts can sicken a large dog. Signs typically appear within 12 hours and most dogs recover with supportive care, but the combination of hind-end weakness and tremors is distinctive enough that vets recognize it quickly.
Symptoms to watch for
- weakness in hind legs
- vomiting
- tremors
- fever
- depression
If you suspect poisoning: call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435 (available 24/7). Do not induce vomiting unless instructed by a professional.
Quick answers
Can dogs eat macadamia nuts?
No. Macadamia nuts are uniquely toxic to dogs, though the mechanism remains unknown. As few as six nuts can sicken a large dog. Signs typically appear within 12 hours and most dogs recover with supportive care, but the combination of hind-end weakness and tremors is distinctive enough that vets recognize it quickly.
What are the symptoms if my dog eats macadamia nuts?
Watch for weakness in hind legs, vomiting, tremors, fever, depression. Symptoms may appear within hours; when in doubt, call your vet.
What should I do if my dog ate macadamia nuts?
Call your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 right away. Do not wait for symptoms — early treatment is dramatically cheaper and safer.
Related foods
Can dogs eat walnuts? · Can dogs eat almonds? · Can dogs eat cashews? · Can dogs eat pistachios? · Can dogs eat pecans? · Can dogs eat peanuts?
Source: ASPCA Animal Poison Control. This page is informational and is not veterinary advice.