Is monstera toxic to cats?
Also called: Swiss cheese plant, monstera deliciosa, fruit salad plant, Cutleaf Philodendron, Hurricane Plant, Ceriman, Mexican Breadfruit, Monstera deliciosa
Toxic
Its crystals irritate the mouth and stomach, causing drooling and vomiting.
Yes. Monstera (Swiss cheese plant) is toxic to cats. Chewing it releases crystals that cause mouth pain, heavy drooling and vomiting.
Signs to watch for
- Mouth irritation and burning, heavy drooling, vomiting and difficulty swallowing.
Where this comes from
ASPCA Animal Poison Control
Toxicity: Toxic to Dogs, Toxic to Cats
Read "Toxic and Non-toxic Plants: Swiss Cheese Plant"
Checked 9 October 2026
Merck Veterinary Manual
Insoluble Oxalate-Containing Plants Fruit salad plant (Monstera deliciosa)
Read "Houseplants and Ornamentals Toxic to Animals"
Checked 9 October 2026
Where this comes from
ASPCA Animal Poison Control
Toxicity: Toxic to Dogs, Toxic to Cats
Clinical Signs: Oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing.
Read "Toxic and Non-toxic Plants: Swiss Cheese Plant"
Checked 9 October 2026
Merck Veterinary Manual
Insoluble Oxalate-Containing Plants Fruit salad plant (Monstera deliciosa)
Read "Houseplants and Ornamentals Toxic to Animals"
Checked 9 October 2026
Where this comes from
International Cat Care
If you’re concerned your cat has come into contact with any of the substances listed, contact your veterinary team immediately
Checked 9 October 2026
Where this comes from
ASPCA Animal Poison Control
Clinical Signs: Oral irritation, intense burning and irritation of mouth, tongue and lips, excessive drooling, vomiting, difficulty swallowing.
Read "Toxic and Non-toxic Plants: Swiss Cheese Plant"
Checked 9 October 2026