A cat that was walking at breakfast and is staggering at noon has 1 of 3 problems, and they run on different clocks. Vestibular disease comes with a head tilt and often settles in 3 to 14 days. Spinal disease can cost the ability to walk inside 48 hours. Orthopedic disease hurts but rarely progresses that fast. Three minutes of watching, 2 hands-on tests, and 1 question about pain will tell you which line you are on.
3 minutes: the 4 signals that sort it
Put the cat on a non-slip floor, crouch at its level, and watch it walk 5 steps. Then do the paw test: lift 1 hind paw and turn it over so the top rests on the floor. A normal cat flips it back in under 2 seconds; a cat that leaves it knuckled over has a spinal or brain problem, not a sore knee.
- Head tilt: a tilt of 15 to 45 degrees with the nose turned the same way, plus eyes flicking side to side, is vestibular until proven otherwise.
- Weak but willing: the cat drags a limb, scuffs the top of the paw, or crosses the legs while walking, and does not look like it is in pain. That is spinal or brain.
- Pain but strong: the cat shortens 1 stride, refuses to jump on a 40 cm chair, and growls when the hip is extended. That is orthopedic.
- Whole-body: wobbling on all 4 limbs with tremors, drooling, or dilated pupils after a flea product points at a toxin, not at the ear.
Vestibular: the head and the eyes tell you
Peripheral vestibular disease gives a horizontal or rotary nystagmus that does not change direction with head position, no leg weakness, and a normal paw test. The cat may roll, vomit twice, and refuse food for 24 hours, yet still jump onto a 40 cm stool. Common causes are middle ear infection, a nasopharyngeal polyp in cats under 3 years, and idiopathic vestibular syndrome, which improves over 3 to 14 days with support alone.
Central vestibular disease is the dangerous version: vertical nystagmus that changes direction with head position, weakness on 1 side, a paw test that fails, unequal pupils, or a tilt worsening past 72 hours. That pattern needs imaging, not ear drops. A vet will look into both ears with an otoscope, check the facial nerve by watching the lip and eyelid, and test the gag reflex, because 1 inflamed ear can explain a tilt, a droop, and a Horner syndrome.
Spinal and brain: the 48-hour window
Spinal disease shows up as a paw that stays knuckled, a wobbly hind end, or 1 limb dangling. Grade it in 5 steps: pain only, then wobble, then unable to walk but able to stand, then unable to stand, then no deep pain. Deep pain is tested by pinching a toe until the nail blanches; a cat that does not turn, cry, or pull the limb away has lost it, and that means a same-day referral.
Speed matters. A disc extrusion can take a cat from walking to paralyzed in 12 to 48 hours, and surgery within 48 hours of losing the walk beats surgery at day 5. A fibrocartilaginous embolus is the opposite pattern: sudden at 1 moment, worse on 1 side, no pain, and no progression after 24 hours, which is managed with rest and time rather than a knife.
Orthopedic: pain with a stable neuro exam
Hip luxation after a 1.5 m fall, a cruciate tear after a bad landing, a fractured femur, or a torn pad all produce a shortened stride and a cat that stops jumping. The paw test and reflexes are normal, and the cat resents hip extension. A 4 kg cat landing from 1.5 m hits the ground with roughly 6 times its body weight, enough to pop a hip out. Radiographs confirm it in 10 minutes; a wobbly walk with a normal neuro exam and no pain is not orthopedic, whatever the owner suspects.
The 48-hour clock
| Time window | What to check | Numbers that matter | Action |
|---|---|---|---|
| 0 to 2 hours | Head tilt, nystagmus, paw test | Tilt under 45 degrees, flips paw in 2 seconds | Confine to 1 room, film a 15 second video |
| 2 to 12 hours | Ability to stand, appetite, pupils | Stands in under 5 seconds | Call if the cat cannot stand |
| 12 to 24 hours | Progression, pain, tremor | 1 grade better or unchanged, no tremor | Exam today if worse |
| 24 to 48 hours | Deep pain, walking distance | Walks 10 steps, feels the toe pinch | Surgical referral if deep pain is gone |
| 48 to 72 hours | Tilt direction, second limb | Tilt smaller by 30 percent | Imaging if tilt is larger |
| 1 to 2 weeks | Gait, jumping, weight | Jumps 40 cm again, weight steady | Recheck at 14 days |
The 2 checks that separate the 3 groups
A full neurologic exam takes 10 minutes and covers 6 items: mentation, posture and head tilt, the 12 cranial nerves, the paw test on all 4 limbs, spinal reflexes, and deep pain. That exam, done before any imaging, tells the vet whether the lesion is in the ear, brain, or spine.
Imaging comes second, chosen by the exam. X-rays, 2 views each, cost 150 to 400 dollars and show bone but not the spinal cord. MRI or CT, 800 to 2,500 dollars, finds a disc, a polyp, or a brain lesion, and is worth the money when the neuro exam points at the spine.
Before any of that, rule out a toxin: the fix differs and the clock is shorter. A permethrin flea product made for dogs causes tremors and a stiff, wobbly gait within 2 to 12 hours of 1 drop on a cat's neck, Organophosphates, some garden sprays, and human medicines such as a 500 mg metronidazole tablet for a 4 kg cat can also produce ataxia. Run every product through the toxin list before the exam, and bring the packet.
A cat that wobbles 10 to 30 minutes after a bee sting, with a puffy face, is having an allergic reaction, and belongs with the face swelling triage. A cat that stopped jumping 2 weeks ago and gained 10 percent of body weight is reluctant rather than weak, which the rapid weight gain guide covers.
Five steps for the next 48 hours
- Film a 15 second video of the cat walking 10 steps on a non-slip floor, and a second one of the eyes.
- Do the paw test on all 4 limbs, twice, and note which side fails.
- Clear the room of stairs and furniture above 30 cm, and put food and water at floor level.
- Take the temperature twice a day and write it down to 0.1 C.
- Call today for a lost paw test, a tilt that is growing, tremors, or a cat that cannot stand inside 2 hours.
Eyes, paws, pain. Three checks in 3 minutes send the cat down the ear line, the spine line, or the joint line, and only 1 of those 3 has a 48-hour deadline.
Frequently asked
How do I tell vestibular from spinal wobble?
Do the paw test. A vestibular cat tilts its head 15 to 45 degrees, has a horizontal or rotary nystagmus, rolls, and may vomit, but flips a knuckled paw back in under 2 seconds and keeps normal leg strength. A spinal cat leaves the paw knuckled over, scuffs the top of the foot, and often has a normal head position. Head tilt plus a normal paw test points at the ear.
Is a head tilt always an emergency?
Not always, but it needs a same-day exam. Peripheral causes such as middle ear infection, a nasopharyngeal polyp, or idiopathic vestibular syndrome improve over 3 to 14 days and rarely kill. Go immediately for a vertical nystagmus that changes with head position, weakness on 1 side, unequal pupils, a failed paw test, or a tilt that grows past 72 hours, since those point at the brain.
What is the 48-hour deadline for?
Spinal cord compression. A disc extrusion can take a cat from walking to paralyzed in 12 to 48 hours, and surgery within 48 hours of losing the ability to walk has a better outcome than surgery at day 5. Test deep pain by pinching a toe until the nail blanches; no response, no cry, no limb withdrawal means a same-day referral, not a wait.