Cat Chronic Pain Recognition: Why Cats Hide Pain and What to Look For

Cats are experts at concealing pain, making chronic pain recognition one of the most important and challenging skills in feline welfare. Understanding subtle behavioral indicators prevents prolonged undetected suffering.

Key Facts

Cats evolved as both predator and prey - showing pain makes them vulnerable, so they suppress overt pain signals
Osteoarthritis affects over 90% of cats over 12 years old but is diagnosed in only a fraction because clinical signs are subtle
The Feline Grimace Scale (FGS) provides a validated tool for assessing acute pain in cats through facial action units
Chronic pain indicators include reduced jumping height, reluctance to use stairs, changes in grooming (over or under), decreased interaction, and altered elimination habits
Cats with chronic pain often spend more time resting, sit hunched, and tuck their legs beneath themselves differently than pain-free cats
Owners typically present arthritic cats reporting 'slowing down' or 'getting old' without recognizing treatable pain
NSAID pain management dramatically improves quality of life for arthritic cats but requires veterinary prescription and monitoring
Novel welfare-focused pain scales and owner questionnaires (CBPI, FMPI) are improving chronic pain detection in clinical practice

Welfare Considerations

Undetected chronic pain represents one of the most significant and most preventable welfare failures in companion cat care. The combination of cats' behavioral pain suppression and owners' tendency to normalize age-related behavioral changes means large numbers of senior cats live with treatable pain for extended periods. Veterinary detection of chronic pain requires proactive assessment rather than passive waiting for obviously visible signs. Validated pain scales and behavioral questionnaires help bridge the gap between cats' concealment and clinical detection. Treatment of chronic pain - typically osteoarthritis - with appropriate analgesics transforms quality of life in ways that owners consistently report as dramatic: more active, more interactive, more playful cats. The welfare cost of missed chronic pain is amplified by its common prevalence in senior animals who represent a growing proportion of companion cat populations.

What You Can Do

Observe your cat for subtle behavioral changes: reduced jumping, avoidance of stairs, changes in grooming, less interaction
Have senior cats (over 7 years) examined at least every 6-12 months for pain assessment including orthopedic evaluation
Ask your vet specifically about pain scoring and whether a chronic pain trial is warranted if your cat is slowing down
If pain medication is prescribed (typically meloxicam or robenacoxib), give it consistently and report changes to your vet
Learn the Feline Grimace Scale indicators: orbital tightening, ear positioning, muzzle tension, whisker changes, head position
Use owner questionnaires like the Montreal Instrument for Cat Pain (MCPI) to systematically track functional indicators
Do not attribute behavioral changes solely to aging without ruling out treatable pain as a cause
Understand that cats treated for chronic pain often improve dramatically - dramatic change after treatment confirms previous pain