🧅Can Dogs Eat Onion?
Toxic — Do Not GiveSeverity 6/10
Check onion for your dog
Add your dog's details for a danger level tuned to them.
Why onion is dangerous
Onions, garlic and relatives damage red blood cells and can cause anemia. Cooked, raw, or powdered are all toxic.
Signs to watch for
Weakness, pale gums, dark urine (may take days)
What to do next
Contact your vet with the amount and form eaten; monitor over the next few days.
FAQ
How much onion is dangerous?
Cumulative and weight-dependent. Powders and concentrates are far stronger by weight. Damage can show days later.
Can I treat this at home?
A single small bite once is usually low-risk for a large dog.
When should I call the vet?
Larger amounts, any powder/concentrate, or a small dog.
Related foods
Source
Pet Poison Helpline. This page is a general reference and not a substitute for veterinary advice. If your dog is showing symptoms, contact your veterinarian or an emergency animal hospital.