Is Oleander Toxic to Dogs? 🚨 Yes — Extremely Toxic, All Parts Deadly

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

Oleander is one of the most toxic plants for dogs with all parts being extremely dangerous. Even small amounts can be fatal causing cardiac glycoside toxicity that stops the heart.

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Warning Signs & Symptoms

Severe vomiting, abnormal heart rate, low blood pressure, tremors, seizures, cardiac arrhythmia, death.

If Your Dog Ate This

Call vet or ASPCA Poison Control 888-426-4435 immediately.

What to Avoid

all parts including vase water

Preparation & Serving

Call vet or emergency animal hospital IMMEDIATELY. This is a cardiac emergency. Do not wait for symptoms.

Did you know?

Oleander is so toxic that people have been poisoned by using its branches as skewers for cooking meat or using the wood for a campfire. A single leaf contains enough cardiac glycosides to be potentially lethal to a dog — making oleander one of the most dangerous commonly planted garden shrubs.

Portions & nutrition

Serving (small dog): never
Serving (medium dog): never
Serving (large dog): never
Calories (per 100g): 0
Safe frequency: Never

Source

Source: ASPCA

What You Need to Know

All parts of oleander including leaves, flowers, stems, and even the water in a vase containing oleander stems contain cardiac glycosides. These compounds directly interfere with heart function. A dog eating even a single leaf can develop fatal cardiac arrhythmia. This is always a life-threatening emergency requiring immediate intensive veterinary care.

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

Want to know what other dangers are hiding in your home?

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If Your Dog Ate This — Act Now

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Frequently asked questions

Is Oleander Dogs safe for dogs?: No, Oleander Dogs is not safe for dogs. Oleander is one of the most toxic plants for dogs with all parts being extremely dangerous. Even small amounts can be fatal causing cardiac glycoside toxicity that stops the heart.
What happens if a dog eats Oleander Dogs?: If a dog eats Oleander Dogs, they may experience: Severe vomiting, abnormal heart rate, low blood pressure, tremors, seizures, cardiac arrhythmia, death.
How much Oleander Dogs can a dog eat?: All parts of oleander including leaves, flowers, stems, and even the water in a vase containing oleander stems contain cardiac glycosides. These compounds directly interfere with heart function. A dog eating even a single leaf can develop fatal cardiac arrhythmia. This is always a life-threatening emergency requiring immediate intensive veterinary care.

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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.