Onions, Garlic, Chives - can cause the destruction of red blood cells known as Heinz body anemia, a form of hemolytic anemia. No clear quantity has been established as to the onset of the anemia. But for garlic, if your dog consumes the equivalent of 1 teaspoon of garlic for every 10 pounds of their weight (1 teaspoon for a 10 pound dog) it can destroy red blood cells. Poisonous reaction can result from raw, cooked or dried onions, garlic, chives, including those included in powdered or dehydrated forms. Avoid all foods that contain onions or onion variants (such as spagetti sauce).
Symptoms: pale gums, rapid heart rate, weakness and lethargy, vomiting, diarrhea, and bloody urine.
Possible Outcomes: can cause irreversible damage to the kidneys, death.
Action: Take your pet to the vet or emergency clinic for care. The vet may administer blood transfusions and/or oxygen, followed by fluid therapy