9cf63ef4_s__onions__etc____PragmaticMom__Reasons_to_avoid
[Items to avoid] Moldy or spoiled food, garbage [Reasons to avoid] 
Can contain multiple toxins causing vomiting and diarrhea and can also affect other organs.
Things Dogs Eat That Will Kill Them: Raisins, onions, etc. : PragmaticMom
Reasons to avoid