Cats evolved as both predator and prey, and one of the things that legacy left them is a remarkable ability to mask discomfort. A cat in real pain often won't cry, won't limp, won't hide in the dramatic way we expect. They'll sleep slightly more, jump slightly less, eat slightly differently, and otherwise look — to a casual observer — entirely fine.
This is a guide to noticing the quieter signals: the small behaviour shifts, the changes in routine, the new preferences, the things that 'don't quite add up'. None of them, on their own, are diagnostic. But together, over weeks, they often point to something worth a veterinary conversation long before more obvious signs would appear.
Most importantly, this isn't about reading every nap as a warning. It's about building the kind of quiet, ongoing awareness that catches the things cats are wired to hide.
Why cats hide pain so effectively
In the wild, an animal that visibly limps or struggles makes itself a target. Domestic cats inherited that survival instinct intact. Even when they're entirely safe at home, a cat in pain will often work to behave as though nothing is wrong — and will frequently succeed.
Combine that with the fact that many feline pain conditions are slow and chronic (joint disease in particular), and you get a situation where the change happens so gradually that it looks like 'just getting older' rather than discomfort that could be eased.
The body language signals
Some signs sit in the body itself — posture, facial expression, gait. They're subtle but they're real, and they tend to appear earlier than more dramatic signs.
- Hunched posture — back arched slightly upward, shoulders raised
- Tucked belly — abdomen held tighter than usual
- Sitting in a crouched 'meatloaf' position for long stretches
- Ears held slightly back or to the side rather than forward
- Squinted or partially closed eyes
- Tense, drawn facial expression — sometimes called the 'feline grimace'
- Stiff or careful walking, especially after rest
- Reluctance to fully stretch out
Behavioural changes that often appear first
More often than physical signs, what shifts first is behaviour. The cat doesn't necessarily look different — they act different. These are the changes that usually come up in vet histories from owners who, in retrospect, realise something had been off for weeks or months.
- Jumping less — avoiding favourite high spots, choosing chairs over counters
- Hesitation before jumping or climbing — pausing where there used to be no pause
- Sleeping more, in different places, or in unusual positions
- Hiding more — under beds, behind furniture, in closets
- Less interaction with people or other pets
- Reduced grooming, especially over the back end or one specific area
- Overgrooming a specific spot — sometimes a sign of localised discomfort
- Irritability when handled — flinching, hissing, swatting where there used to be tolerance
- Litter box changes — going outside the box, or visible difficulty getting in or out
- Reduced appetite, slower eating, or favouring soft food
The most common sources of pain in cats
Some causes are dramatic and obvious — an injury, a wound, a sudden severe illness. These usually announce themselves. The harder ones are the chronic, slow-build sources of discomfort that quietly shape a cat's daily choices.
- Osteoarthritis — extremely common in cats over 10, often missed entirely
- Dental disease — gum inflammation, broken teeth, resorptive lesions
- Urinary issues — cystitis, blockages, crystals, infections
- Inflammatory bowel disease and chronic abdominal discomfort
- Pancreatitis — often subtle and chronic in cats
- Eye conditions — corneal ulcers, glaucoma, uveitis
- Ear infections and ear mites
- Soft tissue injuries from jumps and falls
- Cancer-related pain in older cats
Why arthritis hides in plain sight
Feline osteoarthritis is one of the most under-diagnosed conditions in small animal medicine. Studies suggest the majority of cats over 10 — and a meaningful portion of cats over 6 — have radiographic evidence of joint disease, yet very few of them are receiving treatment.
The reason is exactly the masking behaviour described above. Cats with arthritis don't usually limp obviously. They jump less. They use the chair, then the couch, then the floor instead of the windowsill. They take longer to stretch in the morning. They groom their back end less and develop matted fur there. None of these scream pain. All of them are signs.
Litter box behaviour as a window into pain
Litter box changes are one of the most useful early signals because they're easy to observe. A cat who suddenly stops using the box, who 'misses' just outside it, who strains, who vocalises in the box, or who visibly struggles to step in or out, is often telling you something important.
Urinary blockages in male cats specifically are a true emergency — repeated trips to the box producing little or no urine warrants an immediate veterinary call, even at 2am. Don't wait until morning.
What to track at home
You don't need to monitor your cat constantly. The point is to catch trends, not moments. A few seconds of observation logged consistently builds a picture far more useful than memory.
- Where your cat sleeps and how much time they spend there
- Which high places they still visit (and which they've quietly stopped using)
- Appetite and how quickly they finish meals
- Litter box visits — frequency, duration, anything unusual
- Grooming — areas that look matted, areas being overgroomed
- Posture during rest — relaxed and stretched vs. tucked and tight
- Interaction patterns — coming to greet you, accepting petting, playing
- Weight every week or two on a home scale
- Vocalisations — new yowling, especially at night in older cats
- Environmental changes — new pets, furniture, schedule shifts
How to assess pain at home — gently
You can do a quiet, gentle home assessment without poking and prodding. Simply spend a few unhurried minutes observing your cat in their normal environment.
- Watch them stand up from a long rest — is there hesitation or stiffness?
- Watch them jump down from a height — do they brace or pause first?
- Run your hands lightly along their back — any flinching, twitching, vocalising?
- Notice their preferred sleeping shape — relaxed and open, or tight and tucked?
- Look at their facial expression — soft and squinty in a relaxed way, or drawn and guarded?
Older cats: a different baseline
It's tempting to call everything 'just getting older'. Some changes really are part of natural aging — slightly more sleep, a slightly softer step. But others are pain that responds well to treatment, and the difference matters.
If your senior cat has stopped doing things they used to enjoy, has changed their grooming patterns, or has any of the litter box signs above, those are worth raising at the next visit even if they look minor in isolation.
When to contact your veterinarian
Some signs warrant a same-day call:
- Any signs of urinary obstruction — straining with little output, vocalising in the box
- Sudden lameness or refusal to bear weight
- Crying, growling or hissing when touched
- Hiding combined with reduced appetite for more than 24 hours
- Visible injury or wound
- Sudden severe lethargy
- Open-mouth breathing, panting, or visible distress
What to bring to a wellness visit
For chronic, subtle changes, the most valuable thing you can bring is observation, not panic. Vet visits where the owner has tracked behaviour patterns, weight trends and small behavioural shifts move dramatically faster.
- A list of behaviours that have changed and roughly when
- Recent weight readings if you have them
- Notes on appetite, grooming, and litter box habits
- Photos or short videos of any postures or behaviours that worry you
- A list of all medications, supplements and recent diet changes
Patterns over panic
Cats are subtle. Their pain doesn't shout. It whispers — through a chair instead of a windowsill, a tucked posture, a slightly slower step. Owners who notice it are usually owners who have built a quiet habit of awareness over time, not owners who studied any particular checklist.
PetSynk is built for that kind of awareness. A few small entries each week become a record that catches the things cats are designed to hide.
This article is for educational purposes only and does not replace professional veterinary advice. If you notice changes in your pet's health, contact your veterinarian.