Cats are fundamentally solitary hunters for whom multi-cat households carry inherent social stress risks. Managing multi-cat environments effectively is essential for the welfare of all residents.
Multi-cat household welfare requires understanding that cats are not naturally social in the way dogs are. While some cats form genuine affiliative bonds and benefit from feline companionship, many coexist in a state of chronic social tension that impacts health and welfare. Feline idiopathic cystitis — painful bladder inflammation without infection — is strongly associated with chronic stress including multi-cat social stress. Spraying, inappropriate elimination, and aggression are behavioral indicators of social stress. Management focuses on creating sufficient resources in sufficient numbers and locations to reduce competition — multiple feeding stations separated so cats cannot guard them all, adequate litter box numbers and distribution, and sufficient vertical space to allow cats to avoid each other while both remaining in the household.