Can dogs eat onions?
Quick Answer
No
Onions are toxic to dogs and can cause a life-threatening form of anemia.

What Is It?
Onions are a type of vegetable that belong to the Allium family. They are known for their strong smell and flavor.
How to Tell
- Signs of onion poisoning in dogs include weakness, vomiting, breathlessness, and loss of appetite.
Why It Can Be Risky
Feeding your dog onions can lead to serious health complications.
- Onions contain a substance called thiosulfate which dogs can’t digest.
- Even a small amount of onion can cause poisoning in dogs.
- Onion poisoning can lead to hemolytic anemia, a condition that destroys a dog’s red blood cells.
Safe Alternatives
- Safe vegetables for dogs include carrots, cucumbers, and green beans.