Cats are masters at hiding pain. In the wild, showing weakness could invite trouble, so many pet cats keep quiet even when they hurt. That is why small behavior changes at home often give you the first real clues.
Dr. Elizabeth Benson, owner and founder of Paws into Grace, has worked with hundreds of hospice patients over the years. As both a veterinarian and cat owner, she has seen how subtle feline pain can be and how important it is to look at changes as a whole rather than relying on one obvious symptom.
Learning to recognize when your cat is in pain can help you act sooner, ease your cat’s discomfort, and know when veterinary attention is needed. The tips below translate subtle body language and everyday habits into practical signs you can watch for at home.
TL;DR
- Behavior changes are often among the earliest clues that a cat may be uncomfortable.
- Compare what you see with your own cat’s normal habits, including jumping, stretching, grooming, and social interaction.
- Look at the face. Narrowed eyes, ears turned out, tense muzzle, and a low head position can signal acute pain.
- Don’t give human pain medications to cats. Acetaminophen and many NSAIDs are dangerous.
- Sudden inability to walk, open-mouth or labored breathing, or straining to urinate require urgent attention.
- Use tools like the Feline Grimace Scale and a short pain diary to help organize what you observe for your veterinarian.
- Don’t rely on a single symptom. Multiple changes together usually provide a more useful picture.
Why Cats Hide Pain
Cats often hide signs of pain, so discomfort may show up as small shifts in routine rather than obvious limping or crying. You might notice your cat skipping favorite jumps, grooming less, hiding more, or acting crabby when touched. Older cats commonly develop osteoarthritis, a long-term joint disease that can be painful but easy to miss if you do not know what to watch for.
One of the most useful things you can do is compare your cat with their own normal baseline. A behavior that seems insignificant in another cat may matter if it represents a clear change in yours.
Look at the whole picture when you’re watching for possible signs of pain at home. Posture, movement, appetite, grooming, facial expression, mood, and social behavior can all give you useful information to share with your veterinarian.
Quick Anatomy of Feline Pain
Understanding how pain can affect a cat’s body and behavior can help you recognize concerning changes earlier. This basic understanding can help you describe what you’re seeing more clearly and make informed care decisions with your veterinary team.
- Acute pain: Short-term pain from an injury, surgery, or sudden illness.
- Chronic pain: Ongoing pain, often from arthritis or dental disease, that may ebb and flow.
- Nociception: The body’s process of detecting potentially harmful stimuli.
- Analgesia: Medications or techniques used to reduce pain.
Common Signs Your Cat May Be in Pain
Spotting subtle behavioral shifts allows you to protect your companion from suffering in silence when something feels wrong. Noticing these subtle indicators can help you recognize when your cat needs a veterinary evaluation.
Behavior and Routine Changes
Watch for a shift from your cat’s normal baseline. Frequent red flags include hiding, sleeping in unusual places, less play, less social time, and crankiness when picked up or brushed. The important question isn’t simply, “Does my cat hide?” It is, “Is my cat hiding significantly more than they normally do?”
The same principle applies to social behavior. Some cats have always preferred keeping to themselves, while others typically follow their owners from room to room. A sudden or gradual shift from that established pattern can offer a more meaningful clue than the behavior alone.
Cats in pain may also purr at unusual times, which can confuse people. Purring doesn’t automatically mean a cat is comfortable, so consider it alongside other changes you notice.
Mobility and Posture
Cats may hesitate or refuse to jump, slip on slick floors, take stairs one step at a time, or change how they land. You might see a hunched posture, tucked paws, stiffness, or changes in the way your cat carries their weight.
Pay close attention when your cat gets up after sleeping. Watch how smoothly they rise and begin moving around the room. Think about their normal post-nap routine, too. If your cat usually performs a long stretch after waking but suddenly stops, discomfort or restricted movement could be one possible explanation.
Another practical observation is to pet your cat the way you normally would. Does your cat usually rub its head or body against you, or arch its back into your hand? If that familiar response has suddenly changed, tell your veterinarian. Pain or reduced mobility may be contributing.
These signs don’t prove pain, but changes in your cat’s normal movement patterns deserve attention.
Grooming, Appetite, and Litter Box
Pain often changes self-care. Some cats stop grooming and develop greasy or matted fur; others repeatedly groom one particular area.
Appetite may decrease as well, although loss of appetite has many possible causes besides pain. It becomes more informative when it appears alongside other changes such as hiding, decreased mobility, altered posture, or reduced interaction.
Cats in pain may also visit the litter box more or less often, miss the box, or strain to urinate or defecate.
Face and Ears: A Fast Check for Acute Pain
The Feline Grimace Scale (FGS) is a validated tool that scores five facial features: ear position, eye narrowing, muzzle tension, whisker position, and head position. Higher scores are associated with a greater likelihood of acute pain.
On the 10-point Feline Grimace Scale, a score of 4 or higher is a reason to contact your veterinarian so they can determine whether your cat needs pain relief or further assessment.
Partially closed eyes, tension around the muzzle, and ears positioned lower or flatter than usual may all contribute to the overall picture. The Feline Grimace Scale can help owners know what to look for, but it should complement, not replace, veterinary assessment.
A Practical Tool for Chronic Pain
For ongoing issues like arthritis, your veterinarian may ask you to complete an owner questionnaire that tracks changes in your cat’s daily activities over time. The Feline Musculoskeletal Pain Index (FMPI) and other screening checklists focus on everyday activities such as jumping, running, grooming, and moving around the home.
These tools are particularly helpful because chronic pain doesn’t always look dramatic. A cat may simply stop doing things they used to do.
Keep notes about your own cat’s routines and bring them to veterinary appointments. Videos of difficult jumps, walking, climbing stairs, getting into the litter box, or rising after sleep can also provide useful context.
What Is Urgent and What Can Wait Briefly?
Distinguishing between minor hesitation and a true crisis removes the guesswork when your cat exhibits unexpected changes.
| Situation | Watch At Home Briefly | Call Your Vet Now |
| Activity and mood | Slight drop in play for a day, but still eating and social | Is unable or unwilling to move, has severe or sudden pain when touched, or suddenly collapses |
| Appetite | Eats slightly less for one meal but returns to normal eating at the next | Refuses food for a full day, or has a marked decrease in appetite accompanied by lethargy, vomiting, weakness, or other concerning signs |
| Mobility | Hesitates to jump but can still get around | Cannot walk normally, suddenly cannot use a limb, or will not bear weight |
| Litter box | One miss outside the box during an otherwise normal day | Straining to urinate, producing only small drops, vocalizing, or producing no urine, especially in a male cat |
| Breathing | Brief faster breathing after activity that quickly returns to normal | Open-mouth breathing, rapid or effortful breathing at rest, or blue/gray gums |
| Toxins and medications | No known exposure | Any known or suspected ingestion of a human pain medication or exposure to a potentially toxic substance; call your veterinarian or animal poison control promptly |
Medications: Vital Safety Notes
Never give human pain relievers to cats unless your veterinarian has specifically prescribed and dosed a medication for your cat. Acetaminophen (Tylenol) can be extremely toxic to cats, and human NSAIDs such as ibuprofen can cause serious gastrointestinal and kidney damage.
If your cat ingests a human medication or an unknown pill, seek veterinary advice right away or contact ASPCA Animal Poison Control.
How Vets Assess and Treat Pain
Your role at home is to notice and document changes. Your veterinarian can then combine those observations with a physical examination and, when appropriate, structured pain-assessment tools to understand whether pain may be affecting your cat. Veterinary pain assessment may include:
- Acute pain tools: The Feline Grimace Scale or Glasgow CMPS-Feline may be used to assess short-term pain.
- Chronic pain tools: Questionnaires such as the FMPI can help track changes in mobility and daily activities over time.
- Medical history and diagnosis: Your veterinarian will consider your cat’s underlying disease, injury, or condition when assessing whether pain is likely.
- Your observations at home: Changes in movement, grooming, posture, appetite, or interaction can provide useful context for the veterinary assessment.
Treatment depends on the underlying cause. Your veterinarian may recommend:
- Prescription pain medication to manage discomfort.
- Weight management to reduce stress on painful joints.
- Home modifications to make everyday movement easier.
- Dental treatment when oral disease is contributing to pain.
- Other supportive therapies based on your cat’s condition.
Look at the whole picture, not just one clinical sign. If pain is suspected, a veterinarian may recommend treatment and ask you to monitor changes such as:
- Movement and mobility
- Grooming habits
- Posture
- Social interaction
- Other behaviors that initially raised concern
If these signs improve with veterinarian-directed treatment, that response can provide additional information about whether pain was contributing. Never use human medications or leftover pet prescriptions to test whether your cat is in pain.
When Pain Becomes a Quality of Life Concern
Sometimes the question is no longer simply whether a cat is hurting, but how discomfort is affecting their overall quality of life. This becomes especially important for cats living with cancer, advanced arthritis, kidney disease, neurological conditions, or other serious or progressive illnesses.
At home, you can watch for changes in important areas of daily life, including whether your cat can still comfortably:
- Eat and drink: Notice changes in appetite, drinking habits, or difficulty reaching food and water.
- Move around: Watch for changes in walking, jumping, climbing, and getting up after resting.
- Ability to Rest: Notice whether your cat can settle and sleep peacefully, or if they seem restless, frequently change positions.
- Groom: Look for decreased grooming, matted fur, or difficulty reaching certain areas.
- Use the litter box: Watch for difficulty getting into the box, changes in bathroom habits, or signs of discomfort.
- Interact with family: Consider whether your cat still seeks attention or participates in familiar routines.
- Enjoy favorite activities: Notice whether your cat still uses favorite sleeping spots, plays, explores, or engages in activities that have historically mattered to them.
These observations can help a vet understand how your cat’s condition is affecting daily quality of life. If your cat already has a serious or life-limiting diagnosis and you need help understanding how their condition is affecting quality of life, our veterinarians offer Quality of Life Evaluations and comfort care as part of their end-of-life services.
These appointments can help families review a pet’s diagnosis and prognosis, discuss quality-of-life factors and possible endpoints, and think through appropriate next steps.
Our home-visit practice is focused on end-of-life care and is not intended to replace your regular veterinarian for primary care. Quality of Life Evaluations are most beneficial when your cat already has a diagnosis and has recently been evaluated by their regular veterinarian.
Examples
The examples below show how a pet owner might notice changes at home and when to share those observations with a veterinarian.
Subtle Arthritis at Home
Imagine a 12-year-old tabby who stops sleeping on a favorite sunny windowsill and begins using three small hops to reach the couch. Grooming becomes less thorough, and mats start forming near the hips. The owner keeps notes for several days and records increasing difficulty jumping and more time spent hiding.
A veterinary evaluation leads to a diagnosis of osteoarthritis, and the veterinarian develops an appropriate pain management plan. The key clue wasn’t one dramatic symptom. It was the pattern of changes from what that particular cat had previously done every day.
Post-Surgery Check With the Feline Grimace Scale
Consider a cat returning home after a dental procedure. The cat eats a little but keeps their head low, eyes partially closed, ears positioned outward, and muzzle tense. Those facial changes could produce an elevated Feline Grimace Scale score.
Rather than adjusting medication at home, the owner contacts the veterinary clinic and describes what they are observing. The veterinarian can then determine whether the cat needs reassessment or an adjustment to the prescribed pain management plan.
Actionable Steps / Checklist
The following steps help you monitor changes, keep your cat comfortable, and give your veterinarian useful information.
- Establish your cat’s baseline, including normal sleep spots, jumps, appetite, grooming habits, and mood.
- Watch your cat get up after sleeping and notice stiffness, hesitation, or changes in their usual stretching.
- Watch for changes such as hiding, less play, new aggression, hunched posture, or missed jumps.
- Pet your cat as usual and notice whether their response has changed.
- Use the Feline Grimace Scale as an at-home observation tool, and share concerning scores or facial changes with your veterinarian.
- Keep a daily pain diary covering appetite, mobility, grooming, litter habits, social interaction, and vocalization.
- Record short videos of difficult movements or behavioral changes to show your veterinarian.
- Look for multiple clues rather than assuming a single symptom confirms pain.
- Make the home easier to navigate with low steps to favorite perches, a low-entry litter box, accessible food and water, and, when appropriate, soft bedding.
- Never give human pain medications. If exposure occurs, call your veterinarian or ASPCA Animal Poison Control at 888-426-4435.
- Contact your veterinarian if pain signs persist or worsen, and seek prompt or emergency veterinary care for any of the urgent signs listed above.
Most importantly:
- Track good days and difficult days: Mark each day on a calendar to help you recognize changes over time that may be difficult to see day to day.
- Plan ahead before a crisis: Talk with your veterinarian about what changes would indicate your cat’s quality of life is declining and when euthanasia may be the kindest option. Having a plan in place can help avoid an emergency and allow for a more peaceful goodbye.
Glossary
Familiarizing yourself with key clinical terms breaks down the barrier between complex veterinary terminology and everyday care.
- Acute Pain: Short-term pain from surgery, injury, or sudden illness.
- Chronic Pain: Long-lasting pain, often associated with conditions such as arthritis or dental disease.
- Analgesia: Treatment used to reduce pain.
- Feline Grimace Scale (FGS): A facial-expression assessment tool designed to help evaluate acute pain in cats.
- FMPI: Feline Musculoskeletal Pain Index, an owner questionnaire used to assess chronic musculoskeletal pain.
- Composite Pain Scale: A structured tool that considers multiple behaviors or clinical signs to produce a pain score.
FAQ
How do I know when my cat is in pain if they are not crying?
Look for changes from your cat’s normal behavior. Decreased jumping, stiffness after resting, altered grooming, hiding, appetite changes, unusual posture, changes in social interaction, and facial tension may all provide clues. The overall pattern matters more than any one symptom.
Do cats purr when they are in pain?
Cats may sometimes purr while they are uncomfortable, so purring alone shouldn’t be used to decide whether a cat is pain-free. Look at the rest of your cat’s behavior, posture, mobility, facial expression, and routine.
Is baby aspirin safe for cats?
Don’t give aspirin or any other human pain medication unless your veterinarian specifically prescribes it for your cat. Cats handle many medications differently from people and can be highly sensitive to common human pain relievers.
What are red-flag emergencies?
Open-mouth or effortful breathing, collapse, severe lethargy, inability to walk normally, pale or blue gums, and straining to urinate or inability to produce urine require prompt veterinary attention.
How can I track chronic pain at home?
Keep a short daily record of your cat’s jumping, mobility, grooming, appetite, litter habits, sleep locations, and interaction with family. You can also use an owner assessment tool such as the FMPI and share your observations with your veterinarian.
Can Paws into Grace help me assess my cat’s quality of life?
For cats with a serious, progressive, or life-limiting diagnosis, Paws into Grace offers Quality of Life Evaluations to help families review the pet’s diagnosis and prognosis, discuss quality-of-life factors and possible endpoints, and consider appropriate next steps. These appointments complement rather than replace primary veterinary care.
Final Thoughts
One of the most important things you bring to a pain assessment is familiarity with your own cat. You know where they normally sleep, how they jump onto the couch, how they stretch when they wake up, whether they enjoy being touched, and how they interact with you.
When several of those familiar behaviors begin to change, pay attention. Our experience with hundreds of hospice patients reinforces why looking at the whole picture matters: feline pain can be subtle, and no single sign tells the entire story.
Record what you notice and share those observations with your regular veterinarian. If your cat already has a serious or progressive illness and you need additional guidance on how their condition affects quality of life, a Paws into Grace Quality of Life Evaluation can help your family understand the factors involved and discuss possible next steps.
