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Is Ceriman toxic to cats?

YES (TOXIC)
Unfortunately, Ceriman 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:Cutleaf Philodendron, Hurricane Plant, Swiss Cheese Plant, Mexican Breadfruit
Scientific Name:Monstera deliciosa
Family:Araceae
Toxic Principles:Insoluble calcium oxalates
Clinical Signs:Oral irritation, pain and swelling of mouth, tongue and lips, excessive drooling, vomiting (not horses), 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 Ceriman Toxic to Cats?

Cats are curious animals that often investigate new things by tasting, smelling, and interacting with them. However, not all substances are safe for cats to be around. As a cat owner, it's essential to know which houseplants and foods can be harmful to your pet.

Ceriman is a popular decorative plant that's often found in households. It's also called Swiss cheese plant, Mexican breadfruit, Monstera deliciosa, or split-leaf philodendron. While ceriman is not toxic to humans, the same cannot be said for felines.

The Toxic Components of Ceriman

Ceriman contains calcium oxalate crystals, which are also found in other houseplants such as peace lily, dumb cane, and pothos. These crystals can cause irritation and swelling in the mouth, tongue, throat, and gastrointestinal tract of felines when ingested. Additionally, ceriman contains saponins, which are glycosides that can cause vomiting, diarrhea, and abdominal pain in cats.

Some cats are more sensitive than others to the toxic components of ceriman. If your feline has a history of health issues, a weaker immune system, or is still a kitten, they may be more susceptible to the effects of ceriman.

The signs of ceriman poisoning usually appear within a few minutes to an hour of ingestion. They include:

  • Vomiting
  • Drooling
  • Difficulty swallowing
  • Difficulty breathing
  • Swelling of the mouth, tongue, and lips
  • Abdominal pain and discomfort
  • Diarrhea
  • Lethargy

Preventative Measures

To avoid ceriman toxicity in your cat, it's essential to take the following preventative measures:

  • Avoid keeping ceriman in your household
  • Keep an eye on your cat when they're near plants
  • Train your cat not to chew or explore your houseplants
  • Place ceriman out of reach of your cat or behind a closed door

If you suspect your cat has ingested ceriman, it's crucial to act quickly and seek veterinary care. Your vet will examine your feline and may perform an X-ray or ultrasound to see if there are any calcified masses in their digestive system. Your vet may also administer supportive care, such as anti-inflammatory medication, to relieve the symptoms of ceriman toxicity.

Conclusion

Ceriman is a beautiful plant that can add aesthetic value to your home. However, it's toxic to cats and can cause irritation, swelling, vomiting, and diarrhea. As a cat owner, it's crucial to know which houseplants and foods are dangerous to your pet. By taking preventative measures and keeping an eye on your cat, you can ensure their safety and well-being.

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