Rhododendron
DangerAll parts contain grayanotoxins disrupting sodium channels in skeletal and cardiac muscle. Even a few leaves can be fatal.
Quick Answer: Is Rhododendron Toxic to Dogs or Cats?
Use this short answer first, then read symptoms and what to do next.
Is Rhododendron toxic to dogs?
Yes. Treat Rhododendron as an emergency risk for dogs. Call your veterinarian or a pet poison hotline right away after exposure.
Is Rhododendron toxic to cats?
Yes. Treat Rhododendron as an emergency risk for cats. Call your veterinarian or a pet poison hotline right away after exposure.
Symptoms to watch for
Vomiting, diarrhea, drooling, weakness, cardiac arrhythmia, coma, death
What should I do now?
EMERGENCY. Contact vet or poison control immediately.
Dogs
Emergency risk
Cats
Emergency risk
Risk level
Danger
Symptoms
Vomiting, diarrhea, drooling, weakness, cardiac arrhythmia, coma, death
What to do now
EMERGENCY. Contact vet or poison control immediately.
Explore Related Safety Hubs
Use these hub pages for broader dog, cat, cleaner, and emergency planning guidance.
Dog Toxicity Guide
Compare Rhododendron with common dog food, plant, medication, and household toxicity risks.
Open hubCat poisoningCat Toxicity Guide
See cat-specific guidance for Rhododendron, plants, cleaners, foods, and medication risks.
Open hubEmergency planningVet Cost Hub
Plan for emergency exams, toxin ingestion care, hospitalization, and insurance decisions.
Open hubSymptoms to Watch For
Vomiting, diarrhea, drooling, weakness, cardiac arrhythmia, coma, death
What to Do
EMERGENCY. Contact vet or poison control immediately.
Plan ahead for emergency vet bills
Poisoning, broken bones, and emergency surgery can get expensive quickly. Compare costs and accident coverage before you need it.
Pet Poisoning Emergency Checklist
A one-page checklist for symptoms, product labels, emergency contacts, and what to bring to the clinic.
Clinical References
Quick Answers
Is Rhododendron poisonous to dogs?
Is Rhododendron toxic to cats?
What symptoms can Rhododendron cause in pets?
What should I do if my pet ate Rhododendron?
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