What we humans perceive as uncleanliness in cats is a more common problem than we think, affecting around 10% of domestic cats according to a recent study published in the Journal of Feline Medicine and Surgery. However, before frustration takes over, keep in mind that this behavior is often a cry for help. In reality, your cat is either trying to communicate discomfort or expressing a natural feline behavior that may seem inappropriate in our human world. While this can be frustrating for you, it’s essential to understand that it’s neither an act of rebellion nor meant to annoy you, but rather a sign of unease. This behavior often reveals something in your cat’s environment is disturbing them, or they're not feeling well. Each animal, each family, and each relationship is unique, so solutions must be tailored to each specific case. Let’s look at some possible messages behind this behavior and explore solutions.
“I’m not feeling well”
When a cat urinates or defecates outside the litter box, it may signal a health problem. Conditions like urinary tract infections, diabetes, kidney failure, bladder stones, or hypothyroidism can cause this. If your cat feels discomfort or pain while using the litter box, it may develop a fear and start avoiding it. This is similar to what some parents encounter during potty training: if a child associates pain with the potty, they'll avoid it, delaying their learning. Similarly, your cat might associate the litter with an unpleasant experience and try to avoid it. This behavior could signal they need medical attention. The first step should always be to consult your veterinarian to rule out any underlying health issues.
“My environment is stressing me out”
Cats are extremely sensitive to environmental changes. A move, the arrival of a new family member (baby, new person, or other animal), or even a simple rearrangement of furniture can be very stressful. Litter box issues can be a sign of anxiety, your cat trying to self-soothe and regain a sense of security by marking territory. By depositing pheromones, chemical signals produced by their glands, they attempt to restore balance, display their presence, and communicate a need for comfort. Pheromones play a crucial role in feline communication, helping your cat feel secure in a changed environment and interact with others, including humans.
Cats can also sense our emotions, even if they don’t always understand their source or meaning. They can pick up on our stress, anger, sadness, etc., which can affect their own behavior. Thus, inappropriate elimination may sometimes reflect discomfort linked to our own emotional state. For a deeper look, I invite you to read my article on the influence of our wellbeing on our animals.
“I never learned”
A cat relieving itself outside the litter box can also be due to improper learning. For example, a kitten not weaned or socialized properly may struggle to adopt this behavior as an adult. In this case, progressive relearning will be necessary and will require patience.
“My litter box doesn’t suit me”
Sometimes the message is simple: your cat doesn’t like its litter box. This may be due to the location, the type of substrate, or cleaning frequency. A cat that avoids its litter might be telling you it needs a more suitable environment. Contrary to what one might think, cats don’t always need privacy to do their business. They can be reassured by their own scent in the environment and need to feel safe, knowing they can flee if needed. Covered litter boxes with lids and doors won’t suit every cat. Each cat is unique: some will like a covered box, others an open one, or other factors like the litter type or box size.
“I need attention”
Sometimes, inappropriate elimination is an attempt to get your attention. If your cat feels neglected or bored, it may adopt this behavior to prompt a response. Cats need regular mental and physical stimulation and quality moments with you, like interactive play or petting, to stay well. When these needs aren't met, cats may use inappropriate elimination to fill the gap and get your attention.
“There’s a conflict in my territory”
In multi-cat or multi-animal households, elimination can signal territorial tension, this is called marking. Your cat may feel threatened or need more personal space. This can also occur if another neighborhood cat is nearby, even just by smell or sight. Cats’ highly developed sense of smell can make them aware of other felines’ presence. To reassure themselves, they mark territory by urinating or defecating, asserting their presence. Posture can indicate if it is marking: standing upright with a quivering tail usually signals marking.
How to respond to these messages?
Consult your veterinarian: Always start by ruling out medical causes with your vet.
Evaluate and adjust the environment: Review your cat’s environment; make changes to reduce stress, add games, cat trees, resting areas, food spots, and scratching posts.
Optimize the litter box: Make sure it meets your cat’s needs in size, location, type, and cleanliness. Try different options to find your cat's favorite.
Spend quality time together: Play with your cat. Contrary to the belief that cats need little company, environmental enrichment, and your presence are crucial for their wellbeing.
Consider your own stress: Cats sense and react to your emotions. Managing your own stress can reduce problematic behaviors in your cat.
Manage territorial conflicts: In multi-animal homes, ensure each cat has its own space and resources. Provide multiple litter boxes and resting, play, and food areas.
Cleaning: Clean the litter box daily and do a full clean weekly. Preserve the familiar scent to help your cat feel safe. Avoid perfumed or harsh cleaning products that may be off-putting. For out-of-box elimination, use enzymatic cleaners to completely eliminate odor and discourage marking.
Seek a behavior specialist: If the behavior persists, consult a feline behavior professional who can help identify and address the root cause(s).
Case study: A resolved example of inappropriate elimination
Marie lives with her 5-year-old cat Milo, who began urinating on her clothes. After ruling out medical causes, we discovered Milo’s stress was linked to several factors. The arrival of a new neighborhood cat, whom Marie cuddled and sometimes fed in the same bowls as Milo, disturbed Milo. Marie herself was also stressed due to work overload, indirectly affecting the sensitive Milo.
To resolve this, I advised Marie to keep worn clothes in a spot to which Milo had no access, and to wash her hands before coming home. She stopped feeding the neighbor’s cat, who already had a home. We provided Milo with more enrichment: regular play, an open litter box, more scratching posts. Marie also learned stress-management techniques to ease her own tension and create a calmer atmosphere.
Within a week, Milo’s inappropriate elimination decreased, stopping entirely after three weeks. He returned to his relaxed self and used his litter appropriately. Gradually, we reintroduced items scented by the neighbor cat, pairing it with positive experiences for Milo. Observing Milo's reactions, his tolerance increased without stress, as his needs were reassured.
Marie no longer faces this issue and now has the tools to understand and meet Milo’s needs. She also learned to recognize how her own emotional state influences him, motivating her to seek a better work-life balance.
In summary, inappropriate elimination is not an act of defiance, but often a call for help. By decoding your cat’s messages, you can not only resolve the issue but significantly improve your feline companion’s wellbeing. Remember, every cat is unique, and a personalized, case-by-case approach is often necessary.
Do you have questions about this topic? Is your cat going outside the box? Don’t hesitate to contact me. Together we can explore what your animal is trying to say and find tailored solutions.
Important note
This article presents the most common causes of feline elimination problems, based on my knowledge, readings, and professional experience. It is by no means an exhaustive list, every cat is unique, and reasons can vary or be complex or multiple. Sometimes a combination of factors is at play, and medical treatment may be needed.
Any behavioral consultation does not replace a veterinary consultation. Always consult your veterinarian first to rule out medical causes.
[Article originally written in French]
Sources
Muller, G. (2019). "Comportement du chat : Biologie et clinique". Éditions du Point Vétérinaire.
Béata, C. et al. (2016). "Médecine du comportement du chien et du chat". Elsevier Masson.
Pageat, P. (2018). "L'homme et le chat". Odile Jacob.
Revue La Semaine Vétérinaire. (2020). "Dossier spécial : La malpropreté féline". Numéro 1842.
Chabaud, C. (2017). "Mon chat fait pipi partout : Que faire ?". Éditions Larousse.
Centre hospitalier universitaire vétérinaire de l'Université de Montréal. (2024). "La malpropreté chez le chat". [https://chuv.umontreal.ca/le-chuv/hopital-des-animaux-de-compagnie/ressources/la-malproprete-chez-le-chat/]