Why Does My Cat Pee Outside the Litter Box?
A cat who suddenly stops using the box is communicating -- usually about medical, environmental, or social discomfort. Here's how to read the message.
1. Medical first, always
Urinary tract infections, crystals, kidney issues and diabetes all mimic 'behaviour problems'. Vet visit FIRST.
2. The box is dirty
Cats want clean. Scoop daily. Replace litter every 2-3 weeks. Deep-clean the box monthly.
3. Litter texture or scent change
Sudden switch can trigger rejection. Transition slowly over 2 weeks. Switch back to unscented if you tried scented.
4. Not enough boxes
n+1 rule: one per cat plus one extra. Multiple floors = multiple boxes.
5. Wrong location
Cats avoid boxes near loud appliances (washer, furnace), in tight corners with no escape route, or in busy hallways.
6. Stress
New pet, new baby, renovation, moving. Pheromone diffusers can help short-term.
Frequently Asked Questions
Is peeing outside the box always behavioural?
No -- check for medical first.
How many boxes for 3 cats?
Four boxes (n+1).
Should I switch to a new brand?
Only after ruling out medical and over a 2-week transition.
Does covered vs uncovered matter?
Many cats prefer open boxes. Try uncovered if you've been using a hood.
Ships cat hygiene across Canada?
Yes -- CAD, tracked CA shipping.
Try our most-recommended Tidy Cats Free & Clean Lightweight or browse all cat litter and hygiene.
Also searched as: cat peeing outside litter box, cat behaviour issues, litter box problems Canada
