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Can cats eat oleander?

Emergency

Oleander safety for cats

Oleander is highly toxic to cats. Its cardiac glycosides can cause drooling, abdominal pain, diarrhea, lethargy, dangerous heart effects, and death.

Toxic principle: cardiac glycosides

Watch for

  • drooling
  • abdominal pain
  • diarrhea
  • lethargy
  • cardiac effects

Sources

Reviewed 2026-07-28

Frequently asked questions

Can cats eat oleander?

Oleander is highly toxic to cats. Its cardiac glycosides can cause drooling, abdominal pain, diarrhea, lethargy, dangerous heart effects, and death.

What should I do if my cat ate oleander?

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 oleander and cats?

drooling, abdominal pain, diarrhea, lethargy, cardiac effects. 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.