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Toxic Houseplants: Cats

A comprehensive list of common houseplants to keep away from feline companions.

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Tonsi. Toxic Household-Plants-Cats
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Aloe Vera

Aloe Vera plants are mildly toxic to cats, resulting from organic chemicals, known as saponins. The exact mechanisms causing toxicity is not well known, as the interactions between saponins and various ligands in animals cause a range of diverse, physiological effects. In cats, saponin ingestion from Aloe Vera can include vomiting, diarrhea, extreme weight loss, tremors, and urine colour changes.


Jade Plant

Jade plants are toxic to cats. However toxicity causes are unknown and future

research is required. Jade Plant ingestion results in the following side effects: vomiting, decreased coordination, and depression.


Snake Plant

Snake plants are mildly toxic to cats from saponins. Research has suggested that saponins may damage the intestinal membrane, inhibiting nutrient transport and protein digestibility.

Signs of Snake Plant ingestion include vomiting, diarrhea, and nausea.



Pothos plants are moderately toxic to cats. Toxicity results from insoluble calcium oxalates crystals that are released from the plant and irritate the throat. Signs of Pothos ingestion include drooling and foaming at the mouth, mouth and tongue swelling, vomiting, and diarrhea.


Toxic Houseplants_ Cats References
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