Intervertebral Disc Disease in Cats: Signs and Treatment

Name: Intervertebral Disc Disease in Cats: Signs and Treatment
Creator: Dr. Zubair Khalid

By Dr. Zubair Khalid, DVM, MS, PhD · 2026-10-03

Intervertebral disc disease in cats is a spinal condition where the cushioning discs between the vertebrae bulge or rupture and press on the spinal cord or nerves. It is much less common in cats than in dogs, and cats often show different signs, such as trouble jumping, wobbling, or sudden lameness in one back leg. Treatment ranges from crate rest and medication to surgery, depending on how severe the compression is. This article is educational and is not a substitute for veterinary diagnosis or treatment.

Quick Answer

Cats with disc disease often show subtle signs first: reluctance to jump, a stiff or wobbly walk, or hiding more than usual.
The lower back (lumbar spine) is the most commonly affected area, involved in about 59% of cases [1].
Some cats improve with strict rest and medication alone, while others need surgery to relieve pressure on the spinal cord.
Sudden inability to walk, loss of bladder control, or dragging a limb needs an emergency veterinary visit right away.
Most cats that have surgery for thoracolumbar disc disease do well, with about 91% showing a positive outcome at the two-week recheck [2].

What Is Intervertebral Disc Disease in Cats?

The spine is made of bones called vertebrae stacked in a column. Between each pair of vertebrae sits an intervertebral disc, a tough outer ring with a gel-like center that acts as a shock absorber. When that disc material pushes out of its normal position, it can press against the spinal cord or the nerves branching off it. Vets call this intervertebral disc disease, or IVDD.

In cats, the disc material can herniate in several ways. The most common is a disc extrusion, where the inner material bursts through the outer ring [1]. A protrusion is a bulge without a full rupture. A third type, called acute non-compressive nucleus pulposus extrusion, happens when disc material shoots into the spinal cord itself with high force, often after a jump or trauma. Some cats develop disc material that works its way into the spinal cord tissue (intramedullary) or into the space around the spinal cord [3][4]. These patterns are rare and are still being described in the veterinary literature.

The location matters a lot. Most feline disc disease affects the lumbar spine (59%), followed by the thoracolumbar region (31%) and the cervical spine in the neck (5%) [1]. The single most common site for a herniated disc in cats is L6-L7, the disc just above the tail base, found in about 34% of surgical cases in one study [2].

Cat IVDD Symptoms: What Owners Notice First

Cats are masters at hiding discomfort, so the earliest signs can be easy to miss. You might notice your cat hesitating before jumping onto the couch or missing the mark entirely. Some cats stop using the litter box normally or cry out when picked up.

Early or mild signs

Reluctance to jump, climb stairs, or use a cat tree
Stiff, slow, or wobbly walking, especially in the back legs
Sensitivity or flinching when you touch the spine or tail base
Changes in grooming, such as a scruffy coat on the back half of the body
Hiding more, or sleeping in unusual spots

Moderate to severe signs

Dragging one or both back paws
Knuckling over on the top of the paw
Urinary incontinence (leaking urine or not urinating normally)
Constipation or trouble passing stool
Tail weakness or a tail that hangs limp

One case report described a cat with a far lateral disc extrusion at L6-L7 that showed up as sudden, progressive lameness in the left back leg and reluctance to climb, with no other neurologic deficits [5]. That pattern can easily be mistaken for a muscle strain or arthritis. A separate report described a cat with six weeks of abnormal tail carriage and constipation caused by disc material compressing the cauda equina, the bundle of nerves at the very end of the spinal cord [4]. If your cat has a limp that does not improve, or new trouble with the litter box, that is worth a veterinary exam. For comparison, cats with joint pain from arthritis also hide signs, and you can read more about how to tell if your cat is in pain from arthritis.

Causes and Risk Factors for Feline Disc Herniation

Trauma plays a bigger role in cats than many owners expect. In one study of 12 cats with disc material extruded into the spinal cord, nine had confirmed or possible external trauma based on history, physical exam, or MRI findings [3]. Falls from heights, being hit by a car, and rough play with other animals are common triggers.

Age varies widely. Cats in reported cases ranged from young adults to seniors, with some as young as 4 years old and others 9 or 10 [5][6][4]. There is no single breed that stands out, though one report described the condition in a British Shorthair [7]. Body weight, sex, and neuter status have not been shown to be consistent risk factors in the studies available.

Degeneration of the disc itself also happens in cats, just as it does in people and dogs. Over time, the disc loses water content and becomes more brittle. A jump off a counter or a misstep can then push already weakened material into the spinal canal. Because cats are so athletic, the trauma that sets off symptoms may be something you never even see happen.

How Veterinarians Diagnose IVDD in Cats

Diagnosis starts with a full neurologic exam. Your vet will watch your cat walk, test paw placement, check reflexes, and assess whether your cat can feel a pinch on the toes (deep pain perception). Deep pain perception is a major prognostic factor, and cats that still feel it generally have a better chance of recovery [1].

Imaging

Plain X-rays can show fractures or arthritis but often miss disc herniation. Advanced imaging is usually needed. MRI is the standard because it shows the spinal cord, the discs, and the surrounding soft tissue in detail. In the 12-cat study, MRI pinpointed intramedullary disc extrusions at T12-T13, T13-L1, L1-L2, L2-L3, L4-L5, and other sites [3]. MRI also revealed the far lateral L6-L7 extrusion in the cat with back-leg lameness [5].

Your vet may also recommend blood work and a urinalysis before anesthesia or surgery. If your cat is older, screening for other conditions is wise. Two common ones in senior cats are hyperthyroidism and dental disease, both of which can complicate anesthesia and recovery.

What the neurologic exam tells your vet

The exam helps your vet localize the problem to a spinal cord segment. The two most common localizations in cats are T3-L3 (the mid-back to lower back) and L4-S3 (the lower back to tail base) [3]. Knowing the segment guides where imaging should focus and where surgery would be performed if needed.

Intervertebral Disc Disease in Cats Treatment: Medical vs Surgical Options

Treatment depends on how severe the signs are, how quickly they appeared, and whether your cat still has deep pain perception.

Conservative (medical) management

Cats with mild signs, or those who are still walking, are often treated with strict rest and medication. Strict rest means confinement in a small space, such as a large crate or a small bathroom, with no jumping, stairs, or furniture. This typically lasts several weeks, though your vet will set the exact duration for your cat.

Medications commonly used include pain relievers and anti-inflammatories. Never give your cat human pain medication, since many are toxic to cats. Your veterinarian will calculate the dose from your cat's weight and health status.

One case report described a cat with a far lateral L6-L7 disc extrusion whose clinical signs resolved almost completely within 15 days of conservative management [5]. That is encouraging, but it does not mean every cat improves without surgery. Cats that get worse on rest and medication, or that cannot walk, usually need surgery.

Surgical management

Surgery removes the disc material and creates more room for the compressed nerves. The type of surgery depends on where the disc is. A foraminotomy opens the bony channel where the nerve exits the spine. A laminectomy removes part of the vertebral bone to reach the spinal canal. A ventral slot is used in the neck to approach discs from the underside of the vertebrae.

One 9-year-old cat with a left-sided L6-L7 far lateral extrusion had a foraminotomy plus a fenestration (a small window cut in the disc to reduce future herniation). The cat made an excellent recovery with near-complete resolution of lameness at 26 days after surgery [6]. A cat with disc material inside the spinal canal at L7-S1 was treated with a laminectomy and durotomy, and its signs resolved completely after surgery [4]. A British Shorthair with compression at two adjacent neck discs had a double ventral slot procedure and was fully ambulatory 10 days later, with only mild weakness remaining at the 12-month follow-up [7].

Comparing the two approaches

Factor	Conservative management	Surgical management
Best for	Mild signs, cats still walking	Severe signs, non-ambulatory cats, worsening despite rest
Typical approach	Crate rest plus medication	Decompression surgery (foraminotomy, laminectomy, ventral slot)
Hospital stay	At home	Usually several days
Follow-up	Recheck exams to track progress	Recheck at about 2 weeks, then longer term
Reported outcomes	One cat resolved in 15 days [5]	91% positive at 2-week recheck in one study [2]

Recovery, Outlook, and Long-Term Management

The outlook for cats with disc disease is generally good when the condition is caught and treated appropriately. In a study of 35 cats that had thoracolumbar surgery, 62.5% had a positive outcome at discharge and 91.3% had a positive outcome at the two-week recheck [2]. Difficulty walking was the most common reason owners sought care, reported in 54.2% of those cats [2].

Recovery at home usually involves several weeks of restricted activity. Your vet will give you a schedule for gradually increasing movement. Physical rehabilitation, such as controlled walking and range-of-motion exercises, can help, though the exact protocol is set by your veterinary team.

Long-term, some cats have ongoing mild deficits. The British Shorthair in the cervical case still had mild weakness in one back leg at 12 months [7]. Others recover fully. Your cat may need periodic rechecks, and if arthritis develops in the spine or joints over time, management may overlap with feline osteoarthritis care. Keeping your cat at a healthy weight and providing soft, easy-to-reach resting spots can make daily life easier.

Prevention

You cannot prevent every case, especially those caused by accidents. Still, a few practical steps lower the risk.

Keep your cat indoors or in a secure catio to reduce falls and car accidents.
Provide ramps or steps to favorite high spots so your cat does not have to jump down hard.
Keep your cat at a healthy weight to reduce strain on the spine.
Use a secure carrier for car travel.
Schedule routine exams so subtle neurologic changes get caught early.

If your cat has had one disc episode, your vet may recommend avoiding high-impact play and rough landings going forward.

Limitations and When to Contact a Veterinarian

Feline disc disease is still uncommon and less well studied than the same condition in dogs. Much of what vets know comes from case reports and smaller studies, so individual outcomes vary. Your veterinarian will assess your cat's specific situation and set the treatment plan.

Contact your vet the same day if you notice:

New wobbling, dragging a paw, or knuckling over
Reluctance to jump that started suddenly
Crying when picked up or touched along the spine
A limp in one back leg that does not improve within a day

Go to an emergency clinic right away if your cat:

Cannot walk or stand
Cannot urinate, or is leaking urine without control
Cannot feel you pinch the toes
Has sudden paralysis in one or more legs
Shows signs after a known fall or accident

Call for a routine visit if your cat has mild stiffness, a change in jumping habits, or a new reluctance to climb stairs. These signs can have many causes, and early evaluation gives your cat the best chance.

Frequently Asked Questions

Can a cat recover from IVDD without surgery?

Yes, some cats do. Cats with mild signs and those that are still walking are often managed with strict rest and medication, and at least one reported cat improved almost completely within 15 days [5]. Cats that cannot walk or that get worse despite rest usually need surgery.

Is IVDD in cats the same as in dogs?

No, the patterns differ. Cats are far less likely to develop the classic degenerative disc herniation that affects certain dog breeds, and trauma plays a larger role in cats [3]. Cats also tend to show lameness or tail problems instead of the obvious back pain dogs often display.

What is the most common site for a herniated disc in a cat?

The lower back is the most common region, and L6-L7 is the single most frequently reported site, accounting for about a third of surgical cases in one study [2]. The lumbar spine overall is involved in roughly 59% of cases [1].

How long does recovery take after disc surgery in a cat?

Many cats show clear improvement within the first two to four weeks. In one surgical series, about 91% had a positive outcome at the two-week recheck [2]. Full recovery can take longer, and some cats keep mild weakness for months or longer.

Can disc disease come back after treatment?

It can, especially if the underlying disc degeneration continues. Surgery often includes a fenestration to reduce the chance of repeat herniation at the same spot [6]. Regular rechecks and keeping your cat at a healthy weight help your vet catch new problems early.

References

Feline intervertebral disc disease: a systematic review and meta-analysis. Journal of feline medicine and surgery, 2025.
Outcome of thoracolumbar surgical feline intervertebral disc disease. Journal of feline medicine and surgery, 2022.
Presumptive intramedullary intervertebral disc extrusion in 12 cats: clinical presentation, MRI findings, treatment and outcome. Journal of feline medicine and surgery, 2025.
Lumbosacral intradural-extramedullary intervertebral disc extrusion in a cat. JFMS open reports, 2025.
Far lateral lumbar intervertebral disc extrusion in a cat: Case report. Veterinarni medicina, 2025.
Surgical management of a lumbar far lateral intervertebral disc extrusion in a cat. JFMS open reports, 2024.
Case Report: Two adjacent ventral slots for treatment of multiple compressive cervical intervertebral disc protrusions in a British Shorthair cat. Frontiers in veterinary science, 2026.