Not Safe for Dogs
Medium dog serving: never
Key warning: all leeks — raw, cooked, and in all dishes
Can Dogs Eat Leeks? No — Allium Family Member Causing Hemolytic Anemia
This food is NOT safe for dogs. Keep it away from your pet.
Leeks are toxic to dogs. They belong to the Allium family along with onions and garlic and contain the same thiosulfate compounds that cause hemolytic anemia — destruction of red blood cells. Never give dogs leeks in any form.
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Warning Signs & Symptoms
Thiosulfate compounds: hemolytic anemia — destruction of red blood cells causing weakness, pale gums, collapse. All Allium family members are toxic. Cooked leeks are equally toxic as raw. Cumulative toxicity with repeated small exposures.
If Your Dog Ate This
Monitor for hemolytic anemia symptoms over 1-5 days. Call vet if significant amount consumed.
What to Avoid
all leeks — raw, cooked, and in all dishes
Portions & nutrition
- Serving (small dog)
- never
- Serving (medium dog)
- never
- Serving (large dog)
- never
- Calories (per 100g)
- 61
- Safe frequency
- Never
Source
What You Need to Know
Leeks are in the same plant family as onions, garlic, chives, and shallots — all of which are toxic to dogs through the same mechanism. Thiosulfate compounds oxidize red blood cells causing hemolytic anemia. Leeks are milder in flavor than onions but equally toxic. Leek-based soups, stews, and dishes including vichyssoise are dangerous for dogs. Toxicity is cumulative — repeated small exposures add up to cause serious anemia.
Not sure what to do next? Read our emergency guide What to Do If Your Dog Eats Something Toxic
Want to know what other dangers are hiding in your home?
Take the 60-second kitchen safety assessment to find out your dog's risk score.
Take the safety assessmentIf Your Dog Ate This — Act Now
- Dog Food Toxicity CalculatorCheck severity based on your dog's weight
- Emergency GuideWhat to do in the next 60 minutes
- Dog Poisoning SymptomsKnow what to watch for
- Dog Poisoning TreatmentWhat vets actually do
- Emergency Vet CostHow much will treatment cost?
- Best Pet InsuranceBe prepared before the next emergency
Frequently asked questions
- Is Leeks for Dogs safe for dogs?
- No, Leeks for Dogs is not safe for dogs. Leeks are toxic to dogs. They belong to the Allium family along with onions and garlic and contain the same thiosulfate compounds that cause hemolytic anemia — destruction of red blood cells. Never give dogs leeks in any form.
- What happens if a dog eats Leeks for Dogs?
- If a dog eats Leeks for Dogs, they may experience: Thiosulfate compounds: hemolytic anemia — destruction of red blood cells causing weakness, pale gums, collapse. All Allium family members are toxic. Cooked leeks are equally toxic as raw. Cumulative toxicity with repeated small exposures.
- How much Leeks for Dogs can a dog eat?
- Leeks are in the same plant family as onions, garlic, chives, and shallots — all of which are toxic to dogs through the same mechanism. Thiosulfate compounds oxidize red blood cells causing hemolytic anemia. Leeks are milder in flavor than onions but equally toxic. Leek-based soups, stews, and dishes including vichyssoise are dangerous for dogs. Toxicity is cumulative — repeated small exposures add up to cause serious anemia.
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