Is oleander toxic to dogs or cats?
Extremely toxic to the heart. Every part of the plant.
Extremely toxic to the heart. Every part of the plant.
Oleander contains cardiac glycosides that interfere directly with the heartbeat, and even dried leaves or water a bouquet stood in are dangerous. It grows everywhere in warm climates as a hedge. Treat any nibble as an emergency.
Signs to watch for
- Drooling
- Vomiting
- Abnormal heart rhythm
- Tremors
- Collapse
Sources: ASPCA toxic and non-toxic plant list, Pet Poison Helpline. Verdicts are conservative by design: where evidence is thin we choose the stricter rating.
This is general educational information, not veterinary advice. When in doubt about your own pet, ask your veterinarian.
If your pet just ate something risky, act now: call your vet, ASPCA Animal Poison Control at (888) 426-4435, or Pet Poison Helpline at (855) 764-7661 (consultation fees may apply).