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Can Dogs Eat Onion?
❌ No — do not feed
NO — onions (and garlic, leek, chives) damage red blood cells in dogs and cats. Cats are more sensitive.
Photo: Italo Melo / Pexels
How much can a dog have?
Zero. Toxic in cooked, raw, powder and broth form.
Benefits
Nothing.
Risks & signs of trouble
Pale gums, weakness, dark urine appearing 1–4 days after ingestion.
Which dogs should avoid it?
No pets. Hidden sources: gravy, broth, baby food.
🚨 If your dog has already eaten onion
Don't wait for symptoms. Call your vet or a pet poison helpline immediately with: amount eaten, time eaten, your dog's weight and breed.
Helpful resources: Pet first aid guide · Toxic foods A–Z
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