Leeks are strictly forbidden for dogs. Like onions, garlic, and shallots, they contain sulfur compounds capable of destroying red blood cells and causing hemolytic anemia.

Quick verdict

  • For dogs: strictly forbidden.
  • To remember: both the white parts and leaves are toxic, whether raw or cooked.

Leeks and dogs: why are they forbidden?

Leeks belong to the Allium family. Their thiosulfates and disulfides oxidize hemoglobin and can lead to the destruction of red blood cells.

Are leeks toxic to dogs?

Yes. Leeks are toxic to dogs, even when cooked. Soups, broths, stews, and leftovers containing leeks must be avoided.

What are the possible benefits?

No benefit justifies giving leeks to a dog.

  • No safe intentional portion.
  • No allowed part.

Risks to know

  • Hemolytic anemia: destruction of red blood cells.
  • Vomiting and diarrhea: possible digestive signs.
  • The whole plant: white parts and leaves are to be avoided.

How much leek to give your dog?

None. Leeks should never be given to dogs.

  • Small dog: zero.
  • Medium dog: zero.
  • Large dog: zero.

Raw, cooked, or in soup: is the danger the same?

Yes. Leeks remain toxic whether raw or cooked. Vegetable soups and purées containing leeks must therefore be excluded.

How to avoid an accident?

  1. Do not give soup or dishes containing leeks.
  2. Keep kitchen leftovers away.
  3. Contact a veterinarian in case of ingestion.

Which dogs are more sensitive?

  • Akita Inu and Shiba Inu.
  • Puppies.
  • Small dogs.
  • Anemic dogs.
  • Dogs that have eaten an unknown quantity.

My dog ate leeks: what to do?

Quickly call a veterinarian or an animal poison control center. Signs of anemia can appear with a delay, so do not wait.

What signs should alert you?

Vomiting, diarrhea, lethargy, dark urine, pale mucous membranes, weakness, or rapid breathing should alert you.

What are safer alternatives?

  • Cooked zucchini.
  • Cooked carrots.
  • Plain green beans.

How can APPETTO help you?

APPETTO helps you spot forbidden alliums, compare dog products with the Pet-Score®, and secure everyday choices. Download APPETTO.

FAQ

Are leeks toxic to my dog?

Yes, leeks are toxic to dogs.

What quantity of leek is dangerous?

No quantity is recommended.

Can my dog eat cooked leeks?

No, cooking does not remove the toxicity.

Is the white part of the leek dangerous?

Yes, both the white parts and leaves are to be avoided.

What signs to watch for after ingestion?

Vomiting, diarrhea, dark urine, and pale mucous membranes.

Can a puppy eat leeks?

No, it is strictly forbidden.

Leeks are completely forbidden for dogs. To better spot dangerous foods and compare suitable products, APPETTO helps you with the Pet-Score®. Download APPETTO.

Credits and warning

Credits: Content developed by the APPETTO team based on referenced sources and internal food classification methodology.

Warning: This information is general and does not replace veterinary advice.