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Can Dogs Eat Leeks? | Leeks on a chopping board

Can Dogs Eat Leeks?

Read time: 2 mins

28 Jun 2024

No, dogs should not eat leeks.

Are Leeks Poisonous to Dogs?

Yes, leeks are poisonous to dogs.


Leeks are part of the Allium family, which includes garlic, onions, and chives. Allium vegetables have thiosulfate, a substance that is harmful to dogs. Eating leeks can cause stomach irritation and potentially damage your dog's red blood cells. This damage can lead to hemolytic anemia, where red blood cells are destroyed quicker than they can be replaced.

Can Dogs Eat Cooked Leeks?

No, dogs should not eat cooked leeks.


Cooking leeks does not remove their harmful properties. In fact, cooking can sometimes make the toxic compounds more concentrated, making them even more dangerous for your dog. Whether raw, cooked, or in any other form, leeks should be avoided for your furry companion.

How Much Leek is Bad for Dogs?

Unfortunately, even a small amount of leek can be dangerous for dogs. The level of toxicity depends on factors like the dog's size, age, and overall health.


It is best to avoid feeding leek to dogs altogether, as any amount can be harmful. A vet or emergency pet care service can help you to determine whether or not the amount of leek your dog has eaten could have be dangerous.

What to Do if Your Dog Eats Leeks

If your dog eats leek, keep a close eye on them for signs of leek poisoning, like vomiting, diarrhea, tiredness, weakness, stomach discomfort, pale gums, or dark urine.


It's important to reach out to your vet immediately for guidance. Provide information on the amount of leek and time of ingestion to help your vet in determining the best course of action. They may suggest bringing your dog in for a check-up or monitoring them at home, depending on the circumstances.