Can Dogs Eat Leek Greens? No — Toxic Like Onions
This food is NOT safe for dogs. Keep it away from your pet.
Leek greens are not safe for dogs. They belong to the allium family along with onions and garlic and cause the same red blood cell damage.
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Warning Signs & Symptoms
Hemolytic anemia: pale gums, weakness, rapid breathing, vomiting, collapse.
If Your Dog Ate This
Leek greens contain higher concentrations of the toxic thiosulfate compounds than the white bulb — making the green tops that are often discarded in cooking potentially the most dangerous part for dogs.
What to Avoid
all parts — leaves, bulb, roots
Preparation & Serving
Keep all leek parts away from dogs including cooked leeks in soups and stews.
Potential Health Benefits
Consult vet for safe vegetable alternatives like carrots or green beans
Safer Alternatives
- Call vet if any amount consumed — effects accumulate over days. Blood test may be needed.
Did you know?
Leek greens contain higher concentrations of the toxic thiosulfate compounds than the white bulb — making the green tops that are often discarded in cooking potentially the most dangerous part for dogs.
Portions & nutrition
- Toxic dose (per kg body weight)
- 5g per kg body weight causes toxicity — similar to onions
- Serving (large dog)
- never
- Calories (per 100g)
- 61
- Safe frequency
- True
Source
What You Need to Know
Leeks in all forms including the green tops are toxic to dogs. They contain the same N-propyl disulfide compound found in onions that destroys red blood cells.
Not sure what to do next? Read our emergency guide What to Do If Your Dog Eats Something Toxic
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