Many common household substances, plants and foods are toxic to cats. Understanding the hazards, preventing exposure and knowing the emergency response is essential for cat welfare.
Household toxin welfare incidents cause acute severe suffering - cats exposed to lilies experience rapid kidney failure with vomiting, lethargy and uremia; cats exposed to permethrin develop intense tremors, hyperthermia and potentially fatal seizures within hours. Many of these exposures are entirely preventable through environmental management (removing toxic plants, securing medications, ensuring dog flea products never contact cats) and prompt emergency treatment when exposure is suspected. The welfare case for environmental toxin prevention is compelling: preventing exposure eliminates suffering that emergency treatment can often only partially address.