Can Dogs Eat Oleander? No — All Parts Cause Fatal Cardiac Toxicity
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
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?
Take the 60-second kitchen safety quiz to find out your dog's risk score.
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