Member of allium family (with onions and garlic). Causes hemolytic anemia. All parts toxic.
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.
Use these hub pages for broader dog, cat, cleaner, and emergency planning guidance.
Compare Leeks with common dog food, plant, medication, and household toxicity risks.
Open hubCat poisoningSee cat-specific guidance for Leeks, plants, cleaners, foods, and medication risks.
Open hubEmergency planningPlan for emergency exams, toxin ingestion care, hospitalization, and insurance decisions.
Open hubVomiting, diarrhea, anemia, pale gums, lethargy, dark urine
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.
A one-page checklist for symptoms, product labels, emergency contacts, and what to bring to the clinic.
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.