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Is Dieffenbachia toxic to cats?

YES (TOXIC)
Unfortunately, Dieffenbachia is toxic and potentially harmful to cats. We recommend you keep your feline friends away from this plant. See the table below for more information.
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Additional Names:Charming Dieffenbachia, Giant Dumb Cane, Tropic Snow, Dumbcane, Exotica, Spotted Dumb Cane, Exotica Perfection
Scientific Name:Dieffenbachia
Family:Araceae
Toxic Principles:Insoluble calcium oxalates, proteolytic enzyme
Clinical Signs:Oral irritation, intense burning and irritation of mouth , tongue and lips, excessive drooling, vomiting, difficulty swallowing
If you think your cat may have ingested a poisonous substance, call 888 426 4435 or your local vet
Detailed Write-up
Author:
Alec
Last Updated:
7/13/25

Is Dieffenbachia Toxic to Cats?

As pet owners, ensuring the safety and well-being of our furry friends is top priority. With houseplants being a common household item, it's important to know which plants are safe for our pets and which present potential dangers. Dieffenbachia, also known as dumb cane or leopard lily, is a popular houseplant known for its decorative foliage. However, its toxic properties have raised concerns among pet owners. In this article, we will explore whether Dieffenbachia is toxic to cats and what precautions pet owners can take to avoid potential hazards.

Understanding Dieffenbachia

Dieffenbachia is a genus of tropical flowering plants native to Central and South America. It has become a popular houseplant due to its large, colorful leaves and ease of care. However, what makes Dieffenbachia unique is its toxic properties. The plant contains a sap that is rich in calcium oxalate crystals, which can cause severe symptoms when ingested by pets or humans.

Symptoms of Dieffenbachia Poisoning in Cats

Cats that come into contact with Dieffenbachia may develop symptoms of poisoning. Ingesting the plant can cause swelling of the mouth and throat, leading to difficulty breathing or even choking. Other symptoms of Dieffenbachia poisoning in cats include:

  • Vomiting
  • Diarrhea
  • Excessive drooling
  • Loss of appetite
  • Lethargy
  • Depression
  • Abdominal pain
  • Difficulty swallowing

Preventing Dieffenbachia Poisoning in Cats

As a pet owner, it's important to take precautions to prevent your cat from coming into contact with poisonous plants like Dieffenbachia. Here are some tips to keep in mind:

  • Avoid keeping Dieffenbachia or other toxic houseplants in your home
  • If you must keep toxic plants, ensure they are kept in a safe, out-of-reach location
  • Teach your cat to stay away from plants by using deterrents like a spray bottle or loud noise
  • Monitor your cat's behavior and health closely, and seek veterinary care immediately if you suspect poisoning

Conclusion

Overall, Dieffenbachia is a toxic plant that can cause severe symptoms in cats if ingested. As a pet owner, it's important to be aware of potential hazards and take proactive measures to prevent accidental exposure. By following the tips outlined in this article, pet owners can help ensure their cats stay healthy and safe.

References:

  1. Cope, R. B. (2001). Dieffenbachia Poisoning. Journal of Emergency Nursing, 27(6), 649-651. doi: 10.1067/men.2001.119867
  2. Diéguez-Hurtado, R., & Sáez-Plaza, P. (2019). Handbook of Anthocyanins: Food Sources, Chemical Applications and Health Benefits. CRC Press.
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