Many people love macadamia nuts and they are a popular gift item. Many dogs like them too, but keep them out of reach from your canine friends – macadamia nuts are toxic to dogs.
Like raisins and grapes (also toxic), the exact toxin and mechanism of action to cause signs of poisoning in some dogs are not known at this time.
Learn more about macadamia nut toxicity at Vet Medicine @ About.com
Image: Macadamia nuts by jessicafm on Flickr