Why won’t my cat use their litter tray?! 

Kitty litter issues can be frustrating and messy – inappropriate urination is one of the most common behavioural and medical issues cat owners face. If your feline friend is avoiding the litter tray and choosing carpets, beds, or furniture instead, our experienced veterinarians at Bellarine Veterinary Practice in Geelong can help you understand why this happens and how to address it effectively.  

Medical Causes 

Before assuming it’s a behavioural problem, it is important to rule out any health issues. Conditions such as urinary tract infections, bladder stones or crystals, kidney disease, diabetes, osteoarthritis, pain, and gastrointestinal issues can cause discomfort and lead to accidents outside the litter box. A thorough veterinary examination, including urine testing, is essential to identify or exclude these problems early. 

Behavioural Factors 

Cats are creatures of habit and routine, and stress or environmental changes can trigger inappropriate urination or defaecation. Common stressors include: 

• New pets or people in the household, including visitors   

• Changes in routine or territory (eg. moving house, owners on holiday) 

• Dirty, unsuitable or insufficient litter trays 

Cats may also mark territory by spraying urine, especially in multi-cat households. This behaviour is often linked to anxiety or competition. 

Litter Tray Management 

A large, clean, accessible litter tray is crucial. Follow these tips: 

• Provide one tray per cat per household, PLUS ONE EXTRA LITTER TRAY 

• Place trays in quiet, low-traffic areas – some cats prefer hooded trays for privacy 

• Use a litter type your cat prefers 

• Clean trays daily to prevent odours 

How to Help Your Cat 

If medical issues are ruled out, focus on reducing stress and improving the litter environment. Pheromone diffusers, environmental enrichment and consistent routines can help. In severe cases, your veterinarian may recommend behavioural therapy or medication. Additionally, supplements and therapeutic diets used under veterinary direction are beneficial in many cases.  

When to Seek Professional Help 

Persistent inappropriate urination or defaecation should never be ignored. Early intervention prevents costly damage to your home and ensures your cat’s wellbeing.

Contact Bellarine Veterinary Practice on (03) 5248 2009 today or book online here for a thorough feline assessment and tailored advice.

If you are concerned your cat has anxiety or behavioural issues, arrange a dedicated, extended feline behaviour consultation by completing our detailed questionnaire.