Cat Chronic Pain Recognition: Improving Assessment of Hidden Suffering

Chronic pain in cats is widely underrecognized because feline pain behavior is subtle and stoic, leading to significant undertreated suffering in aging and chronically ill cats.

Key Facts

Cats evolved as both predators and prey, making pain concealment an adaptive survival behavior
Chronic pain affects an estimated 40–90% of cats over 10 years old, primarily from degenerative joint disease
The Grimace Scale — developed for cats — assesses ear position, orbital tightening, muzzle tension, and whisker changes
Behavioral changes are the primary indicator of chronic pain: reduced grooming, increased hiding, aggression, or decreased jumping
NSAIDs effective for dogs are largely toxic to cats; pain management options require careful species-specific selection
Meloxicam at low doses is used long-term in many countries; gabapentin and buprenorphine are also effective
Routine veterinary examinations often miss chronic pain without specific pain assessment protocols
Owner-completed pain scales and video-based assessment tools improve detection of chronic feline pain

Welfare Considerations

The stoic nature of cats means millions live with chronic pain that owners and veterinarians fail to recognize. A cat that stops jumping onto furniture, becomes less social, or grooms less may be suffering from arthritis — but owners often attribute these changes to "normal aging." Unrecognized and untreated chronic pain is a significant welfare failure affecting elderly cats globally. The limited pain medication options for cats historically led to under-treatment even when pain was identified. Advances in pain assessment tools, feline-specific medications, and owner education are gradually improving this, but the gap between prevalence and treatment remains large. Every year of unmanaged chronic pain represents substantial cumulative suffering in individual animals.

What You Can Do

Schedule annual geriatric wellness exams for cats over 10 that specifically include pain assessment
Learn feline pain behavioral indicators: reduced jumping, changed grooming, hiding, aggression
Ask your veterinarian to use validated pain assessment tools (Feline Grimace Scale, CMPS)
Provide mobility support for painful older cats: ramps, low-entry litter boxes, heated beds
Discuss multimodal pain management with your vet including medications, joint supplements, and environmental modification
Support research into new safe analgesic options for cats through veterinary school donations