Leek

Q: Can dogs eat Leek? — DogToxic

Toxic: Never — allium family, toxic to dogs. Leeks are allium vegetables that contain thiosulfates and organosulfur compounds harmful to dogs' red blood cells. The entire plant is toxic, including the bulb and green leaves. They are frequently used in cooking so be aware of soups, stews, and casseroles that contain leeks.

Q: Symptoms to watch for

vomiting, diarrhea, lethargy, pale gums, weakness

Toxic

Verdict

Never — allium family, toxic to dogs.

Toxic principle: thiosulfate

Source: ASPCA

Verdict

Leeks are allium vegetables that contain thiosulfates and organosulfur compounds harmful to dogs' red blood cells. The entire plant is toxic, including the bulb and green leaves. They are frequently used in cooking so be aware of soups, stews, and casseroles that contain leeks.

Symptoms to watch for

• vomiting
• diarrhea
• lethargy
• pale gums
• weakness

What to do

Contact your vet. Check all human food before sharing — soups, stews, and stock often contain leeks or onion. When in doubt, don't feed it.

📞 US ASPCA Animal Poison Control: 888-426-4435

Related foods

Onion

Toxic

Never — destroys red blood cells.

Vegetables

Garlic

Toxic

Never — more potent than onion, causes blood cell damage.

Vegetables

Chives

Toxic

Never — allium toxin, same risk as onion and garlic.

Vegetables

Rhubarb

Toxic

Never — oxalic acid damages the kidneys.

Vegetables

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