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Onions, Garlic & Allium

Can cats eat leeks?

ToxicCats

Leeks pose the same red blood cell damage risk to cats as other Allium vegetables, and cats are considered especially sensitive.

Toxic principle: N-propyl disulfide and related organosulfur compounds (oxidative red blood cell damage)

Watch for

  • lethargy
  • pale gums
  • elevated heart rate
  • weakness
  • reddish or dark urine
  • vomiting
  • collapse

Frequently asked questions

Can cats eat leeks?

Leeks pose the same red blood cell damage risk to cats as other Allium vegetables, and cats are considered especially sensitive.

What should I do if my cat ate leeks?

Contact your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 immediately. Do not wait for symptoms to appear before calling.

What symptoms should I watch for with leeks and cats?

lethargy, pale gums, elevated heart rate, weakness, reddish or dark urine, vomiting, collapse. If you notice any of these, contact your veterinarian.

This page is for informational purposes only and is not veterinary advice. Always consult your veterinarian about your pet's diet and health.

Read our methodology for how every cat food verdict is sourced and reviewed.