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1Scan for outdated or missing drivers - takes under a minute2Repair Windows errors before they cause bigger problems3Fix the driver behind crashes, sound loss and screen glitchesCerebellar hypoplasia (CH) is incomplete development of the cerebellum, the part of the brain that helps control coordination. It can make a kitten walk with a wobble, take high steps or tremble when reaching for food. The condition is usually linked to feline panleukopenia virus infection before birth. CH itself does not progress, and many affected cats adapt and live full lives, but new or worsening wobbliness needs a veterinary check.
What is cerebellar hypoplasia in cats?
The cerebellum helps coordinate movement and balance. In a cat with CH, it did not develop fully, so movements may be less controlled. This is a developmental condition, not an infection that remains active or spreads between cats. VCA notes that affected cats are not infectious to other cats and are not in pain from CH itself.
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The most common association is feline panleukopenia virus infection while the kitten is developing in the womb. Infection during the first weeks after birth is occasionally implicated. Less common possibilities described by VCA include severe malnutrition in the mother and physical trauma during cerebellar development. Other neurological diseases can look similar, so wobbliness alone does not establish CH.
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Signs often become apparent when a kitten starts standing or walking. Affected cats may have a swaying, uncoordinated or high-stepping gait, hold their legs farther apart, or lose their balance. Some have head tremors; an intention tremor may be more noticeable when the cat concentrates on a movement, such as reaching toward a food or water bowl.
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The degree of difficulty varies. A cat may manage familiar routes but struggle more on slippery floors, around unstable bowls or when jumping down. Observe how the cat moves in ordinary settings and tell the veterinarian when the signs began and whether they have changed.
Does cerebellar hypoplasia get worse?
True CH is nonprogressive: the developmental abnormality does not typically worsen as a cat grows. The coordination limits may remain, though a cat can adapt to them. Merck Veterinary Manual’s professional reference, reviewed in March 2026, describes the condition as nonprogressive and says affected cats can be suitable pets.
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If a cat that previously moved normally becomes wobbly, or if established signs worsen or new signs appear, arrange a veterinary assessment. Do not assume the change is simply CH; other neurological problems can mimic it or occur alongside it.
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How do veterinarians diagnose it?
A veterinarian considers the cat’s history and performs an examination. The age when the wobbliness began and any known history of panleukopenia during the mother’s pregnancy can help. Because several conditions can cause similar signs, the vet will decide whether further investigation is needed.
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Routine laboratory tests do not detect CH, according to VCA. MRI can show a smaller-than-normal cerebellum and help establish the diagnosis in a living cat; CT or MRI may be considered depending on the case. A veterinarian familiar with CH may sometimes diagnose it from the examination and history without advanced imaging. Imaging findings need to be interpreted in context, including because other abnormalities such as hydrocephalus or hydranencephaly can occur in cerebellar disorders.
Can cerebellar hypoplasia be treated?
There is no treatment that repairs the underdeveloped cerebellum. CH reflects development that did not occur normally; it is not an active panleukopenia infection that can be cured after the fact. Care focuses on helping the cat move, eat, drink and use the litter tray safely.
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Function depends on the individual cat and the severity of coordination problems. Veterinary and welfare guidance describes many affected cats as adapting well and living full lives or a normal life expectancy, but no particular outcome can be guaranteed for every cat.
How to make home safer for a wobbly cat
Small changes can reduce slipping, tipping and fall hazards. Tailor them to the cat’s abilities and ask the veterinarian for advice if daily activities remain difficult.
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Improve traction and reduce falls
- Lay rugs or carpet along slippery routes so the cat has better grip.
- Put cushions or rugs below favorite elevated resting places to soften a fall, and make those places easier to reach where possible.
Make feeding and litter access steadier
- Use sturdy bowls that are difficult to tip; a non-slip or non-tip bowl may help. Feed in an easy-to-clean area if the cat tends to spill food or water.
- Choose a stable litter tray with high or deep sides the cat can lean against for balance, while leaving enough room to enter, turn and use it comfortably.
Plan outdoor access and enrichment
- Keep the cat indoors or allow outdoor access only in a safely enclosed garden or run. Ordinary fences and gates may be difficult for a wobbly cat to navigate; microchipping can help identify a cat that escapes.
- Toys and puzzle feeders can provide optional indoor enrichment. They are not a treatment or a substitute for veterinary care.
Can cerebellar hypoplasia be prevented?
For future litters, VCA states that vaccinating female cats against panleukopenia before pregnancy can prevent the disease associated with CH. Ask a veterinarian to plan vaccination for the individual cat. Vaccination does not reverse cerebellar development or repair existing CH.
Quick Recap
Sources
- Merck Veterinary Manual: Congenital and Inherited Cerebellar Disorders in Dogs and Cats (professional reference; reviewed March 2026).
- Merck Veterinary Manual: Brain, Spinal Cord, and Nerve Disorders of Cats (cat-owner reference; last updated September 2024).
- Cats Protection: Wobbly cats (guidance accessed October 7, 2026).
- VCA Animal Hospitals: Cerebellar Hypoplasia in Cats (last updated March 19, 2025).
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