Leeks
ToxicMember of allium family (with onions and garlic). Causes hemolytic anemia. All parts toxic.
Quick Answer: Is Leeks Toxic to Dogs or Cats?
Use this short answer first, then read symptoms and what to do next.
Is Leeks toxic to dogs?
Yes. Leeks is toxic to dogs and should be avoided. Contact a veterinarian if your pet ate it or has symptoms.
Is Leeks toxic to cats?
Yes. Leeks is toxic to cats and should be avoided. Contact a veterinarian if your pet ate it or has symptoms.
Symptoms to watch for
Vomiting, diarrhea, anemia, pale gums, lethargy, dark urine
What should I do now?
Contact vet. All parts toxic. Monitor for anemia signs.
Dogs
Unsafe
Cats
Unsafe
Risk level
Toxic
Symptoms
Vomiting, diarrhea, anemia, pale gums, lethargy, dark urine
What to do now
Contact vet. All parts toxic. Monitor for anemia signs.
Explore Related Safety Hubs
Use these hub pages for broader dog, cat, cleaner, and emergency planning guidance.
Dog Toxicity Guide
Compare Leeks with common dog food, plant, medication, and household toxicity risks.
Open hubCat poisoningCat Toxicity Guide
See cat-specific guidance for Leeks, plants, cleaners, foods, and medication risks.
Open hubEmergency planningVet Cost Hub
Plan for emergency exams, toxin ingestion care, hospitalization, and insurance decisions.
Open hubSymptoms to Watch For
Vomiting, diarrhea, anemia, pale gums, lethargy, dark urine
What to Do
Contact vet. All parts toxic. Monitor for anemia signs.
Plan ahead for emergency vet bills
Poisoning, broken bones, and emergency surgery can get expensive quickly. Compare costs and accident coverage before you need it.
Pet Poisoning Emergency Checklist
A one-page checklist for symptoms, product labels, emergency contacts, and what to bring to the clinic.
Clinical References
Quick Answers
Is Leeks poisonous to dogs?
Is Leeks toxic to cats?
What symptoms can Leeks cause in pets?
What should I do if my pet ate Leeks?
Related Items
Grapes and raisins are highly toxic to dogs and cats. They can cause acute kidney failure even in small amounts.
Carrots are a healthy, low-calorie snack. Crunchy texture helps clean teeth.
All members of the allium family (onions, garlic, shallots, chives, leeks) are toxic. They damage red blood cells and can cause anemia.
Garlic is toxic to dogs and cats. It damages red blood cells, leading to anemia.
Broccoli is safe in small amounts. Contains isothiocyanates which can cause gastric irritation in large amounts.
Wild mushrooms can be highly toxic. Store-bought mushrooms are generally safe, but wild ones should always be avoided.