From our colony to your sofa
Recognising Pain in Cats
The behaviour edits, movement clues and facial signs, decoded.
Last reviewed
The behaviour edits, movement clues and facial signs, decoded.
Last reviewed
Cats are evolutionary experts at hiding pain, a survival habit from a wilder past, which means the kindest skill an owner can learn is spotting the disguise. Pain in cats rarely cries; it edits behaviour, and the edits are readable once you know them.
Cats in pain wear a measurable expression, and learning it takes one evening: ears rotating outwards and flattening, eyes narrowing to a squeeze rather than a relaxed blink, the muzzle tightening from soft roundness to a pinched ellipse, and whiskers bunching and pushing forward. Veterinary teams score exactly these features; owners can too.
Photograph your cat’s comfortable face in good light and keep it as the reference. On a doubtful day, compare carefully. The face changes before the limp arrives, which makes the grimace the earliest free diagnostic in feline medicine.
The most successful disguise pain ever wears is just getting old. A cat that stops jumping to the counter, hesitates at the stairs, sleeps in lower places or grooms its back half less is overwhelmingly likely to have arthritis, which isnear universal in elderly cats and genuinely treatable, rather than a philosophical acceptance of time.
Run the jump audit: list the five places your cat sat two years ago and check which still get visits. Lost altitude is lost comfort, and it is exactly the history a vet can act on, because modern feline arthritis care, from licensed medicines to home ramps, gives years of quality back.
When signs whisper rather than shout, vets have an elegant tool: the analgesic trial, a short course of proper feline pain relief followed by the owner watching what changes. A cat that starts jumping, playing and grooming again has answered the diagnostic question with its behaviour.
The trial only works with veterinary medicines, which circles back to the iron rule this library repeats on purpose: no human painkillers ever, in any dose, in any desperation, because the common ones are poisons to cats. The safe version of that impulse is the phone call that books the trial.
The litter tray files pain reports daily: a cat that perches on the edge rather than squatting has sore joints; one that cries in the tray or visits repeatedly producing little has urinary pain; one that starts missing the tray entirely may find its high sides a wall its hips no longer clear.
Read the reports rather than cleaning them away: note the change, date it, and match the fix to the message, lower sided trays for the stiff, same day vet care for the straining, and a pain conversation for the percher. Toileting change without a routine explanation is a body talking.
Cats publish touch maps, where hands are welcome, and pain redraws them: the cat that always loved back scratches now ripples and moves away, the belly tolerance vanishes, a shoulder flinches under an ordinary stroke. New no go zones are grid references for something sore underneath.
Test gently and note precisely: consistent flinching at one location, guarding of a limb, or a general new touchiness are exactly what vets want reported. The redrawn map is often the earliest sign of arthritis and dental pain both.
Pain edits eating before it stops it: kibble dropped and retried, chewing shifted to one side, the bowl approached eagerly then abandoned, gravy licked and solids left, or the crouch at the bowl replaced by an odd standing hover because bending hurts. Appetite looks intact; mechanics have changed.
These edits point at mouths, necks and joints respectively, and each is worth a video on your phone, because cats famously refuse to perform symptoms at the clinic. Thirty seconds of footage of the strange hover is worth a paragraph of description.
After surgery, dental work or an injury, pain monitoring has a defined job: cats should trend visibly better along the vet’s stated timeline, and the medication should look like it is working, movement freer, appetite returning, the face unclenching. Trend matters more than any single day.
Deviation is reportable: a cat still hunched and hiding when the timeline says improving, or one that regresses after doing well, needs the practice told today, not at the scheduled recheck. Post procedure pain control is adjustable, but only for patients whose owners report.
Cats hide pain expertly, so the kindest skill an owner learns is reading the quiet signals: the changed face with squinted eyes and flattened whiskers, the slowing everyone miscalls age, grooming abandoned or overdone in one spot, hesitation at jumps, tray changes, eating around a sore mouth, and new dislike of being touched somewhere. The slowing myth costs cats years of comfort. When in doubt, the trial answer, a vet visit and pain relief trial, settles the question kindly and quickly.
Change from that cat’s own baseline, sustained over days: the jump abandoned, the grooming patch missed, the new hiding habit. Any one sign can lie; drift across several rarely does.
Rarely, and usually only at the severe end: silence is the norm. Waiting for a cry means catching pain at its loudest, which is precisely too late.
No: paracetamol is lethal to cats and ibuprofen little better. Pain relief for cats is prescription territory only, and the same day appointment is the safe home remedy.
No: cats purr to self soothe through pain and fear as well as contentment. Read the purr with the body it comes from.
With structured tools, facial grimace scales, posture and gait scoring, response to touch, plus your baseline report and videos. Your observations are formally part of the examination.
A short course of prescribed pain relief to see whether suspicious behaviour changes: the cat that starts jumping and grooming again has answered the diagnostic question. It is one of the kindest tests in medicine.
Age raises sleep; pain changes its geography, ground floor beds replacing favourite high spots, and its quality, curled guarding instead of sprawl. Location and posture, not hours, tell the two apart.
A cat in discomfort withdraws: hiding more, greeting less, sitting hunched with feet tucked and eyes half shut in a way that looks like sulking rather than sleeping. Appetite dips, grooming changes in either direction, unkempt because bending hurts or over groomed at one spot that bothers them, and tolerance shrinks, so a normally soft cat may flinch, hiss or swat at handling they once loved. None of these alone is proof; several together are a message.
Hesitating before jumps that used to be automatic, taking stairs like a question, stiffness after rest, limping however slight, and a changed sleeping position all speak of joints or injury. Litter tray changes join the list, since climbing into a tray or squatting can hurt, and the tray misses that follow get misread as behaviour when they are medicine. Our senior guide covers how these whispers grow common with age, and how much modern care can do about them.
Vets read feline pain in the face: narrowed eyes, flattened ears, tension around the muzzle and whiskers pulled forward or bunched. Owners can learn the same glance. And remember the purring small print from our voices guide: cats purr to self soothe as well as to celebrate, so a purring cat who is also hiding, hunched or off food is not reassuring you, they are coping.
Suspected pain is a vet conversation today, described in the behaviour language above, which vets genuinely value. What it is never: a reason to reach for the human medicine cupboard, because as our health basics guide spells out, common human painkillers are lethal to cats. There is no safe home dosing, and there is excellent veterinary pain relief a phone call away. Trust the edits, make the call, and let the professionals do the fixing.
For the science of feline pain assessment, International Cat Care publishes owner friendly guidance, and Cornell Feline Health Center covers the conditions behind the signals.