Can Cats Eat Oleander?

No — Oleander is severely toxic to cats

Cats should not eat or be near Oleander (Nerium oleander). It contains cardiac glycosides (oleandrin, neriine) which can cause vomiting, bloody diarrhea, irregular heartbeat in cats.

What Happens if a Cat Eats Oleander?

Symptoms typically appear within 1-4 hours:

  • Vomiting
  • Bloody diarrhea
  • Irregular heartbeat
  • Cold extremities
  • Tremors
  • Seizures
  • Death

My Cat Ate Oleander — What Should I Do?

EMERGENCY. Immediate vet care. Cardiac monitoring required. Activated charcoal may be administered. Antidote (digoxin-specific antibodies) exists but is expensive.

This is a veterinary emergency for cats. Do not wait for symptoms. Call ASPCA Poison Control (888) 426-4435 or your emergency vet immediately.

Key Facts About Oleander and Cats

No — severe toxicity

No — severe toxicity

all parts, including dried leaves and smoke from burning

Nerium oleander

Cat-Safe Alternatives to Oleander

If you love the look of Oleander, consider these cat-safe alternatives:

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline, Merck Veterinary Manual. View full Oleander profile.