9cf63ef4_s__onions__etc____PragmaticMom__Reasons_to_avoid
[Items to avoid] Chocolate, coffee, tea, and other caffeine [Reasons to avoid] 
Contain caffeine, theobromine, or theophylline, which can be toxic and affect the heart and nervous systems.
Things Dogs Eat That Will Kill Them: Raisins, onions, etc. : PragmaticMom
Reasons to avoid