What happens if a dog eats Oleander?

If a dog eats Oleander, they may experience: Vomiting, diarrhea, drooling, heart arrhythmia, tremors, seizures, coma, death.

Not Safe

Not SafeVet ReviewedReviewed by Dr Alex Crow BVetMed MRCVSshrub

Not Safe for Dogs

Key warning: all parts — extremely toxic

Is Oleander Toxic to Dogs? 🚨 Extremely Toxic — All Parts

This food is NOT safe for dogs. Keep it away from your pet.

Oleander is one of the most toxic plants for dogs. Even a small amount can be fatal. All parts are extremely dangerous.

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Warning Signs & Symptoms

Vomiting, diarrhea, drooling, heart arrhythmia, tremors, seizures, coma, death.

If Your Dog Ate This

Emergency vet immediately — oleander causes rapid cardiac arrest. This is one of the most serious plant toxicity emergencies.

What to Avoid

all parts — extremely toxic

Preparation & Serving

Remove oleander plants from garden entirely if you have dogs. Even water from a vase containing oleander is toxic.

Safer Alternatives

Choose dog-safe flowering shrubs like roses or camellias

Did you know?

Oleander is so toxic that historical accounts describe soldiers being poisoned after using oleander branches as skewers for meat — the toxins transfer from the plant to food cooked over oleander fires.

Portions & nutrition

Toxic dose (per kg body weight): Any amount causes cardiac toxicity — one leaf can be fatal for a small dog
Calories (per 100g): 0
Safe frequency: Never

Source

Source: ASPCA

What You Need to Know

Oleander contains cardiac glycosides including oleandrin and neriine. Even water that has had oleander flowers in it can be toxic. Emergency vet care required immediately.

Oleander Variations

Oleander DogsNot Safe

Not sure what to do next? Read our emergency guide What to Do If Your Dog Eats Something Toxic

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Frequently asked questions

Is Oleander safe for dogs?: No, Oleander is not safe for dogs. Oleander is one of the most toxic plants for dogs. Even a small amount can be fatal. All parts are extremely dangerous.
What happens if a dog eats Oleander?: If a dog eats Oleander, they may experience: Vomiting, diarrhea, drooling, heart arrhythmia, tremors, seizures, coma, death.
How much Oleander can a dog eat?: Oleander contains cardiac glycosides including oleandrin and neriine. Even water that has had oleander flowers in it can be toxic. Emergency vet care required immediately.

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Medical Disclaimer: This information is for educational purposes only. Always consult a licensed veterinarian before making dietary changes for your pet.