The Master Hiders: How to Spot Pain in Cats
Signs of pain in cats can be easy to miss: a favorite jump abandoned, a quieter greeting, or a sudden change in grooming. A change does not tell you what is wrong, but noticing a pattern can help you seek veterinary advice before discomfort goes unrecognized.
Emergency warning: If your cat is struggling to breathe, cannot pass urine, has collapsed, or is in severe distress, seek emergency veterinary care immediately.
Why do cats hide signs of pain?
Many cats express pain through changes in everyday behavior instead of obvious crying or limping. Some withdraw. Others become unusually irritable or resist being picked up. There is no single reaction that every cat shares.
Think about the ordinary things your cat does without effort: walking to greet you, leaping onto a chair, stretching after a nap. When one of those habits changes, the difference may be more revealing than an isolated meow or expression.
Cats may behave in ways that make discomfort less conspicuous, but we should not treat the idea that they “hide pain” as a precise rule about every cat. What matters is the change from your cat’s usual routine. The AAHA guidance on feline pain assessment stresses the value of owner observations, especially for long-term pain.
What are the most common signs of pain in cats?
Watch for changes in movement, grooming, eating, litter box use, sleep, and social behavior. One sign alone seldom identifies the cause. Several changes appearing together, or a persistent change in one important activity, are worth discussing with a veterinarian.
A cat doesn’t have to cry to be hurting. They may still eat, still purr, still curl up beside you. The clue may be what has quietly disappeared from the day: a game, a jump, a greeting, or the usual thorough grooming.
- Movement: hesitating before jumping, using furniture as a step, taking stairs slowly, a stiff gait, reduced play, or an unusual posture.
- Grooming: a coat that becomes greasy or matted, less grooming of the back and hips, or repeated licking of one area.
- Eating: less interest in food, dropping kibble, chewing on one side, or pulling away when the mouth is touched.
- Social behavior: hiding more than usual, avoiding petting, becoming irritable, or no longer coming to greet the household.
- Litter box: reluctance to enter a high-sided box, unusual posture, accidents outside the box, or repeated straining.
- Rest and expression: difficulty getting comfortable, reduced activity, hunched posture, narrowed eyes, or a tense-looking face.
These signs also occur with stress or illnesses that are not primarily painful. They are clues, not a home diagnosis. AAHA’s owner-focused overview of feline pain explains why seemingly ordinary changes can be meaningful.
Why has my cat stopped jumping or climbing?
Hesitation before a familiar jump may signal pain in the joints or elsewhere, even if your cat never limps. Cats often find a less demanding route to reach a place instead of making their discomfort obvious.
Picture a familiar scene: yesterday, a cat jumped onto the bed as usual. Today, they sit on the floor, look up, and walk away. On its own, that choice proves nothing. But if the cat repeatedly avoids the bed, takes stairs differently, or stops visiting a favorite perch, the change deserves veterinary attention.
Osteoarthritis is one possibility, particularly in older cats, but injuries, weakness, and neurologic or other diseases can also change movement. Cornell Feline Health Center cautions against assuming that reduced activity is just aging.
When practical, film a voluntary jump, a walk across the room, or stair use. Don't ask your cat to repeat a painful movement for the camera. A video from home may give your veterinarian useful information that is hard to observe during a clinic visit.
Can cats purr, eat, or sleep while in pain?
Yes. Purring, eating, and sleeping do not rule out pain. A cat can maintain some familiar behaviors while coping with dental discomfort, sore joints, or another painful condition. Conversely, refusing food or sleeping more is not proof of pain: many illnesses can cause those changes.
Look at the whole picture. A purring cat that now avoids being lifted, grooms less, and no longer jumps to the bed still needs assessment. It is safer to judge changes over time than to rely on one reassuring behavior.
Can facial expressions show that a cat is hurting?
Changes in facial expression can help assess acute pain, but no single look proves that a cat is hurting. The research-based Feline Grimace Scale examines five features together:
- Ears: ears may rotate outward or flatten compared with their relaxed position.
- Eyes: the eye openings may narrow, a feature called orbital tightening.
- Muzzle: the area around the nose and mouth may appear tense rather than softly rounded.
- Whiskers: whisker position can change, although this feature is not always easy for an owner to judge.
- Head: the head may be held lower than usual in relation to the shoulders.
A cat resting quietly with partially closed eyes is not automatically in pain. Light, sleepiness, fear, and individual appearance can affect what you see. Rather than focusing on a dramatic “pain face,” watch whether several features change alongside activity or behavior.
The 2019 validation study found that these facial features helped assess naturally occurring acute pain in cats. The scale does not identify the cause of pain or replace a veterinarian's examination, and it should not be assumed to measure chronic pain in the same way.
Observe without holding the cat still, repositioning its ears, or provoking discomfort. If your cat shows urgent signs, do not wait for a facial score before seeking care.
What health problems can cause pain in cats?
Joint disease, dental and oral problems, injury, urinary disorders, and inflammatory illnesses are among the possibilities. The same outward behavior can have different causes. Hiding might reflect mouth pain, abdominal discomfort, fear, or a change in the home; difficulty entering the litter box might involve painful joints or a urinary problem.
A veterinarian may examine the mouth and teeth, assess joints and movement, check the abdomen, and recommend tests based on the history. It is rarely useful to jump straight from a single behavior to a specific diagnosis. The goal at home is to notice and describe the change accurately.
When is possible cat pain an emergency?
Breathing difficulty, inability to pass urine, collapse, serious injury, and extreme distress require immediate veterinary care. Seek an emergency veterinary service right away if your cat shows any of the following:
- Open-mouth breathing, struggling for air, or marked breathing difficulty.
- Repeated trips to the litter box with straining and little or no urine, particularly in a male cat.
- Collapse, inability to stand, serious trauma, or uncontrolled bleeding.
- Severe or rapidly worsening distress, or suspected poisoning.
Cornell describes urethral obstruction as an absolute emergency, and its guidance on difficulty breathing explains the significance of respiratory distress in cats.
For a persistent but less dramatic change, contact your regular veterinarian promptly for advice on how soon your cat should be examined. If a cat suddenly stops eating or appears generally ill, call rather than waiting for the behavior to resolve on its own.
What should you do if you think your cat is in pain?
Contact a veterinarian, record the changes, and make essential resources easier to reach. Small adjustments can reduce the need for uncomfortable movements while you arrange care, but they are not a substitute for diagnosing the cause.
- Note what changed. Write down when you first noticed the problem, whether it is constant or intermittent, and any changes in appetite, urination, stool, movement, and interaction.
- Record short videos. Capture normal, voluntary walking, jumping, and litter box access when possible; never force a painful movement.
- Reduce obstacles. Place food, water, and a comfortable resting spot within easy reach, and consider a low-entry litter box if climbing into the usual one seems difficult.
- Handle gently. Avoid pressing sore areas, stretching limbs, or carrying a cat in a way that provokes distress.
- Ask about follow-up. If treatment begins, work with the veterinarian to identify specific behaviors that should improve and when to reassess them.
AAHA notes that caregiver observations are especially valuable for chronic pain because subtle changes may be easier to see at home than in an unfamiliar clinic.
Which pain medicines are dangerous for cats?
Never give your cat a human pain reliever or another animal’s prescription without veterinary instructions. Acetaminophen (Tylenol) can be fatal to cats. Human nonsteroidal anti-inflammatory drugs, including ibuprofen and naproxen, can also cause serious harm. Cats process some medications differently from people and dogs.
The FDA’s guidance on pain relievers for pets describes these risks and explains why veterinary selection and monitoring matter. Do not assume that an over-the-counter medicine or a “natural” remedy is safe for a cat.
If your cat has already swallowed a human pain medicine, seek veterinary or animal poison advice immediately. Do not induce vomiting or give home treatments unless a veterinary professional specifically directs you to do so.
How can you keep a useful record of changes at home?
Write down what your cat does differently, when it started, and whether it is getting better or worse. A brief daily record can help you describe patterns to your veterinarian. It is not a diagnostic score, and it should never delay an appointment.
If your veterinarian agrees that observation is appropriate, you can note the following over up to seven days. Do not wait seven days to seek help when your cat is unwell or the change is persistent or concerning.
- Jumping and climbing: reaches usual resting places, hesitates, uses intermediate furniture, or stops trying.
- Walking and stairs: moves normally, stiffly, more slowly, or avoids steps.
- Grooming: cleans the coat as usual, misses the lower back, or repeatedly licks one spot.
- Food and water: normal appetite or changes in eating, chewing, and drinking.
- Litter box: usual visits and posture, difficulty entering, straining, or changes in urine output.
- Social behavior and play: greeting, affection, hiding, irritability, and interest in toys.
For each observation, record the date and what you actually saw, not a guess about its cause. For instance, “did not jump onto the bed on three evenings” is more useful than “definitely has arthritis.” Short videos of spontaneous behavior can help too.
Important: A cat straining without producing urine, struggling to breathe, collapsing, or showing severe distress needs emergency care now, not a watch-and-wait log. AAHA describes validated owner questionnaires for musculoskeletal pain; this simple notebook is not a replacement for those clinical tools.
What questions should you ask your veterinarian?
Bring observations rather than a self-diagnosis. Useful questions include:
- Could this change be caused by pain, and what other conditions should we rule out?
- Which examination findings or tests would help determine the cause?
- What changes should I monitor at home, and how soon should I expect improvement?
- Are there safe environmental adjustments for jumping, resting, and litter box access?
- Which warning signs should make me call back or seek emergency help?
For an older cat with gradually changing movement, ask whether a structured mobility assessment would be useful. AAHA describes questionnaires and owner-specific activity measures that clinicians can use to monitor chronic musculoskeletal pain over time.
Common questions about cat pain
Do cats cry when they are in pain?
Some do, but many do not. Quiet changes in activity, grooming, interaction, and posture may be more noticeable than crying.
Does hiding always mean a cat is sick?
No. A cat may hide to rest or avoid noise. New, persistent hiding or hiding combined with other changes is more concerning.
Can a young cat have chronic pain?
Yes. Pain is not exclusive to senior cats, although degenerative joint problems are especially relevant in older animals. New mobility changes warrant assessment regardless of age.
Can I use the Feline Grimace Scale instead of visiting a veterinarian?
No. The scale supports observation of acute pain; it cannot establish a diagnosis or replace professional evaluation.
Sources & further reading
- AAHA (2022) — Summary of Feline Pain Assessment — Guideline distinguishing assessment of acute and chronic pain.
- AAHA (2022) — Chronic Pain Assessment in Cats — Owner observations, activities, questionnaires, and clinical follow-up.
- AAHA (2026) — Signs of Pain in Cats — Practical discussion of changes a cat owner may notice.
- Cornell Feline Health Center — Is Your Cat Slowing Down? — Mobility and joint-related pain in older cats.
- Evangelista et al. (2019) — Feline Grimace Scale — Original validation study of acute-pain facial assessment.
- Monteiro et al. (2023) — Caregivers and the Feline Grimace Scale — Assessment of caregiver agreement and limitations.
- Cornell Feline Health Center — Feline Lower Urinary Tract Disease — Urinary signs and obstruction emergency.
- Cornell Feline Health Center — Dyspnea — Recognizing respiratory distress.
- FDA — Get the Facts about Pain Relievers for Pets — Medication safety, including human pain relievers.
