Why Is My Cat Not Grooming Itself? What a Matted Coat Can Tell You

Cats are famously fastidious. A healthy cat spends a big chunk of its waking hours grooming, which is exactly why a change in that habit is worth noticing. If your cat's coat has started to look greasy, dull or matted — particularly along the back, hips and base of the tail — it's usually a sign that something is making grooming harder or less comfortable, not a sign of laziness.

Here's what reduced grooming can be telling you, and what you can do to help.

Grooming is a health signal

Self-grooming keeps a cat's coat clean, spreads natural oils, and removes loose hair. When a cat grooms less, the coat quickly shows it: it becomes unkempt, clumped or matted, and mats tend to form first in the hardest-to-reach places. Because grooming requires a surprising amount of flexibility — twisting to reach the lower back, hips and tail base — anything that makes that movement uncomfortable will show up in the coat.

Common reasons cats groom less

Arthritis and joint pain. This is one of the most common and most overlooked causes, especially in older cats. Reaching around to groom the back and hindquarters takes spinal and hip flexibility, and if those joints are sore, your cat simply stops doing it. Feline arthritis is far more common than most owners think — it's common in older cats — and reduced grooming is often one of its earliest visible clues.

Age and reduced flexibility. Even without significant arthritis, older cats lose some suppleness and may produce more skin oil, which makes mats form more easily.

Dental pain. Cats groom with their tongue and teeth, so a sore mouth can make grooming unpleasant.

Obesity. An overweight cat physically can't reach parts of its body to groom them.

Illness or feeling unwell. A drop in grooming is a general sign that a cat isn't feeling its best, from many possible causes.

Stress or low mood. Changes at home can reduce grooming (and sometimes cause over-grooming in other spots).

What to look for alongside the coat

Reduced grooming rarely travels alone. With an older cat especially, look for other subtle signs of discomfort: hesitating before jumping up or down, sleeping more, being less keen on play, a stiff or stilted walk, or becoming grumpy when handled around the back or hips. Together, these point toward joint pain as a likely cause.

How to help your cat

Start with a vet check. Because reduced grooming can signal arthritis, dental disease or other issues, a vet visit is the right first step — particularly if your cat is middle-aged or older. Your vet can pinpoint the cause and talk through comfort and pain-management options.

Lend a hand with grooming. Gently brush your cat regularly, focusing on the areas they can no longer reach well — the lower back, hips and tail base. Use a soft brush and a light touch, and never cut out mats with scissors, which can easily nick the skin. Stubborn mats are best handled by a vet or professional groomer.

Make movement easier. Steps or a ramp to favourite perches, soft bedding, and litter trays with a low side all reduce the strain on sore joints and can help a stiff cat stay more active and more able to groom.

Keep them at a healthy weight. Trimming excess weight helps both flexibility and joint comfort.

Support the coat from the inside. A cat's coat reflects its overall health. Good nutrition matters, and ingredients such as omega-3 fatty acids and marine collagen are commonly used to support skin and coat condition as cats age.

When to call the vet

Book a visit if the change is sudden, if mats are forming faster than you can manage, if your cat seems sore when touched, or if reduced grooming comes alongside changes in appetite, energy or toileting. These are worth checking promptly.

The bottom line

A cat that has stopped grooming is usually telling you something — and in older cats, that something is often joint pain that makes twisting and reaching uncomfortable. A vet check, a helping hand with brushing, a few changes around the home, and good nutritional support for skin and coat can make your cat more comfortable and get that healthy, well-kept coat back.

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This article is general information and isn't a substitute for veterinary advice. If your cat's grooming or coat has changed, please speak with your vet.