Seed Hazards In Fruit
We instinctively reject cherry pits, but our pets may gulp them down whole—and therein lies the danger. Cherry pits, stems, and leaves harbor a hidden peril: cyanide, which can starve cells of oxygen.

A single pit might not poison your pooch, but it could cause a digestive blockage. Worse, a hearty helping could trigger vomiting, abdominal distress, and potentially fatal respiratory or cardiac complications..