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Onions, Garlic & Allium

Can cats eat onions?

ToxicCats

Cats are even more sensitive than dogs to onion-induced red blood cell damage, and it takes a smaller amount to cause anemia.

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 onions?

Cats are even more sensitive than dogs to onion-induced red blood cell damage, and it takes a smaller amount to cause anemia.

What should I do if my cat ate onions?

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 onions 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.

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