A single litter box for two cats is not a convenience—it is a trigger for chronic stress and idiopathic cystitis.
A behavior-savvy vet will therefore ask about the home environment, social dynamics with other pets, and daily routines. Prescribing antibiotics for a recurrent UTI without addressing the territorial stress from the neighbor's new cat is a recipe for failure.
Instinctive actions present from birth, such as imprinting.
Knowledge in these fields is applied across various sectors: The Science of Animal Behavior and Welfare - PMC - NIH