Can Cat Eat Leek?
Also known as:
Elephant GarlicAllium ampeloprasum
Leeks are part of the Allium family and are highly toxic to cats.
DangerousVegetable
Dangerous for Cats
This food is toxic to cats and should never be given to them.
Like onions and garlic, leeks contain N-propyl disulfide, which damages a cat's red blood cells, causing them to rupture. This leads to life-threatening hemolytic anemia.
Detailed Information
Like onions and garlic, leeks contain N-propyl disulfide, which damages a cat's red blood cells, causing them to rupture. This leads to life-threatening hemolytic anemia.
Recommendations
NEVER feed leeks to your cat in any form (raw or cooked). If you grow them, ensure your cat cannot access the garden. Ingestion is a medical emergency.
Veterinary Advice
Avoid completely. Contact your veterinarian immediately if consumed.
Quick Facts
Safety LevelDangerous
CategoryVegetable
Last Updated7/24/2025
Sources
- ASPCA Animal Poison Control Center
- Veterinary Nutritionist Guidelines
- Pet Food Safety Research
Emergency Information
If your cat has consumed leek, contact your veterinarian or pet poison control immediately.
ASPCA Animal Poison Control: (888) 426-4435
Pet Poison Helpline: (855) 764-7661