An X-ray may show small bony growths along a cat’s spine, sometimes described as spondylosis deformans. The finding can sound serious, but not every cat with spinal changes is in pain. Some bone spurs are incidental and require no specific treatment. What matters is whether the cat has symptoms and whether a different spinal, joint, or neurologic problem is present.
What owners might notice
Back discomfort can make a cat reluctant to jump onto furniture, groom the lower back, climb stairs, or accept touch in a particular area. Changes in activity or litter-box habits may reflect pain, but they are not proof that a visible spinal spur is responsible. Arthritis, injury, disc problems, and other illnesses can produce similar behavior.
How veterinarians evaluate the spine
An examination may include watching the cat walk, checking reflexes and sensation, assessing joint mobility, and taking radiographs. When neurological signs are present, more advanced imaging or a specialist opinion may be appropriate. X-rays show bone but cannot always reveal what is happening to nerves and soft tissue.
Treatment depends on the cat, not the image
If the changes are incidental, the veterinarian may simply recommend monitoring. When pain or reduced mobility is confirmed, care may include cat-appropriate prescribed pain relief, weight management when relevant, and home adjustments such as easy-entry litter boxes and lower resting platforms. Some cats benefit from carefully chosen rehabilitation. Never give ibuprofen, acetaminophen, or another human pain medicine to a cat.
When to act quickly
Sudden hind-leg weakness, paralysis, inability to stand, severe distress, or difficulty urinating is an emergency requiring immediate in-person evaluation. Arrange a routine veterinary visit for gradually worsening stiffness or reduced jumping. Good notes about when symptoms started and whether they change after rest help the clinician.
Reference
Merck Veterinary Manual: Disorders of the Spinal Column and Cord in Cats. Educational only; no claim of review by Dr. Richardson or any other named clinician.
This article is for general education and is not a substitute for care from your own veterinarian. Learn about The Pet Vet and our editorial policy.