Raisins and Grapes Harmful to Dogs : Kidney damage and death after a very few raisins or grapes.
Xylitol (a sugar substitute used in sugar-free gum) can be harmful to dogs. : Severely low blood sugar after as few as two sticks of gum and liver damage from more.
Also deadly to dogs :
Macadamia Nuts
Chocolate
Onions & Garlic
other dangers
Also, some home and garden stores sell Cocoa Mulch which dogs will eat and die from, as it contains the same poison as chocolate.
