WHY DO CATS STOP USING THE LITTER BOX

When the cats feel stressed is when they stop using the litter box. Eliminate any kind of stress or frustration in their environment.
​The box is too deep with litter the cat only prefers one to two inches of litter
Sometimes the liner makes the cat uncomfortable
You should have one litter box for each cat
Clean the litter box each day, cats are fussy
Rinse the litter box out completely with baking soda or unscented soap once a week.
The majority of cats prefer large boxes and clumping, unscented litter
Some cats decide that they dislike the smell or feel of a different litter
Cats avoid their litter box if it’s in a location they dislike
Some cats don't like litter boxes with high sides
Medical problems can cause inappropriate elimination
close blinds on windows and doors so the cat isn’t upset by cats outside