A list below for your information; The items and food stuffs include but are not restricted to:
Chocolate; Theobromine in cocoa; the darker the chocolate the more there is.
Xylitol ; a substitute for sugar; found in chewing gum, sugar free drinks etc
Pain killers used in human medicine
Grapes and raisins (found in mince pies and fruit cakes, etc)
Small children toys
Rawhide dog chews
Poinsettia plant (usually in our houses at Christmas)