PawCheck

Yorkshire Terrier + Onions

NO. Take immediate action.

The verdict

Onions contain N-propyl disulfide, which causes oxidative damage to red blood cells, leading to hemolytic anemia in dogs. For a 6lb Yorkshire Terrier, even a small amount can be highly dangerous due to their limited blood volume, making them particularly vulnerable to severe red blood cell destruction.

Watch for these signs (next 12 hours)

  • Pale gums
  • Lethargy and weakness
  • Dark or reddish urine

Recommended next steps

Contact an emergency veterinarian immediately; do not wait for symptoms to appear as onion toxicity can have delayed but severe effects, especially in a small 6lb dog. The vet may induce vomiting if recent, administer activated charcoal, or provide supportive care like IV fluids or blood transfusions if anemia is severe. Prompt professional intervention is critical to mitigate the life-threatening risks of hemolytic anemia.

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