Toxic
Vegetables
Onion
Allium cepa
Toxic
Toxic to dogs. Do not feed. Seek veterinary help after any ingestion.
If your dog already ate this
Contact a veterinarian or pet poison control. Do not induce vomiting unless a veterinarian or poison-control specialist tells you to.
Onions damage red blood cells and can cause hemolytic anemia. Raw, cooked, powdered, and leftover-dish forms all count. No household serving is considered safe.
- Allium
Also known as onions.
Updated September 16, 2026
