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Health condition · Clinically reviewed

Ataxia, coordination, balance and the modern UK MDT approach.

A syndrome, not a single disease. Getting the cause right unlocks reversible treatments, disease-modifying options and coordinated MDT care.

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A radiographer guides a patient onto the bed of an advanced 3 Tesla MRI scanner in a London imaging suite

Why trust this guide

  • 01

    Clinically reviewed

    Written by our editorial team and reviewed by a registered UK clinician before publication.

  • 02

    Sourced from guidance

    Checked against NHS, Ataxia UK, ABN and peer-reviewed neurology sources you can see at the end.

  • 03

    Current for 2026

    Reflects modern UK practice including MHRA-approved omaveloxolone for Friedreich's ataxia and current MDT pathways.

Key facts

Ataxia at a glance.

The essentials, in plain English - what it is, the main groups of causes, and how a modern UK ataxia service investigates and treats it.

  • What it is

    Impaired coordination and balance from cerebellar, sensory or vestibular pathway dysfunction. Not a diagnosis in itself but a syndrome with many causes.

  • Three broad groups

    Hereditary (spinocerebellar ataxias, Friedreich's), acquired (stroke, MS, alcohol, autoimmune, paraneoplastic, toxic) and sporadic late-onset (MSA-C, ILOCA).

  • Cardinal features

    Wide-based unsteady gait, dysmetria, scanning dysarthria, nystagmus, intention tremor and dysdiadochokinesia.

  • First-line imaging

    MRI brain and cervical spine looks for cerebellar atrophy, demyelination, stroke or a structural lesion.

  • Genetic testing

    A spinocerebellar ataxia panel plus targeted FRDA, ATM and FMR1 testing is standard when a hereditary cause is suspected.

  • A treatable syndrome

    Many acquired causes are reversible. Even inherited ataxias have their first disease-modifying drug: omaveloxolone for Friedreich's.

Why this guide matters

Cause first, then the plan.

Ataxia is a syndrome with dozens of causes. Nail the cause and the treatment usually follows - and some of those causes are fully reversible.

  • Many acquired causes are reversible

    B12, vitamin E, thiamine and copper deficiencies, gluten ataxia, Wilson's and drug toxicities can improve dramatically with the right intervention.

  • Genetic testing is mainstream

    The NHS Genomic Test Directory offers hereditary ataxia panels covering the major spinocerebellar ataxias, Friedreich's, ataxia-telangiectasia and FXTAS.

  • Disease-modifying drugs have arrived

    Omaveloxolone was approved by the MHRA in 2023 for Friedreich's ataxia - the first disease-modifying licence for any hereditary ataxia.

How the diagnosis is made

From first stumble to a named cause.

The steps a UK neurologist will normally follow, in order - so you know what to expect at each visit and why every test is being requested.

  1. 01

    Assessing

    Comprehensive neurology exam

    A structured cerebellar, sensory and vestibular examination, ideally video-recorded, plus SARA or ICARS scoring to grade severity.

  2. 02

    Assessing

    Family and drug history

    Careful ancestry, consanguinity, age of onset in relatives, alcohol intake and every prescribed and over-the-counter medication.

  3. 03

    Assessing

    MRI brain and cervical spine

    Looking for cerebellar atrophy, demyelination, infarct, tumour, hindbrain malformation or dorsal-column disease.

  4. 04

    Confirming

    Broad blood work

    B12, folate, vitamin E, copper, ceruloplasmin, TSH, coeliac serology, HIV, syphilis, alcohol and drug levels, heavy metals and a paraneoplastic panel.

  5. 05

    Confirming

    Targeted genetic testing

    Spinocerebellar ataxia panel, Friedreich's FXN GAA-repeat analysis, ATM sequencing and FMR1 premutation testing where indicated.

  6. 06

    Confirming

    Selective CSF and neurophysiology

    CSF for inflammation, infection or 14-3-3; nerve conduction studies and EMG when a sensory ataxia is suspected.

  7. 07

    Screening

    Occult cancer screen

    Where paraneoplastic antibodies are positive, whole-body MRI, mammography and PET-CT hunt for the underlying tumour.

Typical timeline: a first neurology visit to a named cause in weeks to a few months.

Symptoms

What ataxia actually looks like.

The mix of gait, limb, speech and eye signs a neurologist looks for - and the bulbar features that mean it is time to escalate.

  • Gait ataxia

    A wide-based, unsteady, drunk-like walk with a tendency to veer or fall, often the earliest sign.

  • Limb ataxia and dysmetria

    Over- or under-shooting on finger-nose and heel-shin testing, clumsy reaching and past-pointing.

  • Scanning dysarthria

    Slow, slurred, staccato speech with irregular loudness, sometimes described as drunken speech.

  • Nystagmus and eye signs

    Jerky eye movements, saccadic pursuit and impaired vestibulo-ocular reflex on head-impulse testing.

  • Intention tremor

    A tremor that appears and worsens on approaching a target, unlike a resting Parkinsonian tremor.

  • Dysdiadochokinesia

    Difficulty performing rapid alternating movements such as tapping the palm and back of the hand.

  • Fatigue and hypotonia

    Low tone, easy tiring on task and a heavy, effortful quality to everyday movement.

  • Red flag - dysphagia and choking

    Coughing on drinks, wet voice or unplanned weight loss needs urgent SLT assessment for aspiration risk.

Treatment

How ataxia is treated in the UK.

Treat the underlying cause where possible, add symptomatic and disease-modifying therapy where available, and wrap everything in coordinated MDT care.

  • Treat the underlying cause

    Replete B12, vitamin E, thiamine or copper; a gluten-free diet for gluten ataxia; chelation for Wilson's; correct hypothyroidism.

  • Immunotherapy

    Steroids, IVIg, plasma exchange or rituximab for autoimmune and some paraneoplastic ataxias, sometimes combined with treating the tumour.

  • Stop offending drugs and toxins

    Review phenytoin, lithium, platinum chemotherapy, 5-FU, capecitabine, chronic alcohol and solvent exposure and adjust where possible.

  • Omaveloxolone (Skyclarys)

    MHRA-approved in 2023 for Friedreich's ataxia in adults and adolescents - the first disease-modifying drug for a hereditary ataxia.

  • Physiotherapy and gait aids

    Balance, coordination and strength work, plus walking sticks, frames or a wheelchair matched to current function and safety.

  • Speech and language therapy

    Structured work on scanning dysarthria and safe swallowing, with texture-modified diets and thickened fluids when needed.

  • Occupational therapy

    Home adaptations, kitchen and bathroom safety, driving assessment and equipment to keep independence for as long as possible.

  • MDT ataxia clinic

    Ataxia Centres of Excellence in Sheffield and London coordinate neurology, genetics, therapy, cardiology and psychology in one place.

Also considered

Deep brain stimulation and MR-guided focused ultrasound are considered for selected patients with disabling tremor. Vestibular rehabilitation therapy helps where the vestibular pathway is a major driver, and specialist neurorehabilitation is central after stroke or acquired brain injury.

What this guide is based on

The sources behind every claim on this page.

UK national guidance, neurology society standards and charity-led clinical guidelines, current at the time of last review.

Key references

Guidelines and standards we relied on.

A quiet reminder

This guide is for information, not medical advice.

Your GP or neurologist knows your history and can tell you which parts apply to you. If in doubt, get seen.

  • NHS. Hereditary ataxia and cerebellar ataxia patient information.

  • Ataxia UK. Medical guidelines for the diagnosis and management of the progressive ataxias.

  • Association of British Neurologists (ABN). Guidance on adult ataxia investigation.

  • MHRA. Omaveloxolone (Skyclarys) approval and prescribing information for Friedreich's ataxia.

  • Genomics England. National Genomic Test Directory - inherited ataxia panel R54.

Red flags

When ataxia needs urgent attention.

Much of ataxia care is unhurried, careful and long-term. These are the situations where it is not - and where the same-day pathway matters.

  • Sudden-onset ataxia

    New unsteadiness developing over minutes to hours suggests cerebellar stroke or haemorrhage and needs emergency imaging.

  • Ataxia with headache and vomiting

    May reflect a posterior fossa tumour or raised intracranial pressure, especially in children - urgent same-day assessment.

  • Rapidly progressive ataxia

    Deterioration over weeks to a few months raises concern for paraneoplastic, autoimmune or prion disease and needs fast-tracked work-up.

  • Choking, wet voice or aspiration

    Bulbar involvement risks pneumonia and malnutrition. Refer to speech and language therapy without delay.

  • Confusion with alcohol history

    Ataxia, confusion and eye-movement disorder is Wernicke's encephalopathy until proven otherwise - give IV thiamine immediately.

  • New ataxia after chemotherapy

    Platinum agents, 5-FU and capecitabine can cause acute cerebellar toxicity that may need drug review and rescue.

  • Ataxia with cancer history

    A paraneoplastic antibody screen and hunt for recurrence should not wait, especially in breast, ovarian, lung and lymphoma survivors.

  • Falls with head injury

    Recurrent falls with head strikes need urgent balance work and, in older adults, review for subdural haematoma.

  • Psychological distress

    Progressive loss of independence carries real mental-health risk. Low mood or suicidal thoughts need urgent GP or crisis support.

Living with it

A long-term condition, with a strong team around you.

Four habits make the biggest day-to-day difference - regular movement, the right walking aid, safe eating and drinking, and a community that gets it.

A quiet reminder

Adapting early is not giving in.

Using a stick, a rail or a chair when it helps keeps you independent, sociable and out of hospital for longer. It is a tool, not a defeat.

  1. 01 Routine

    Move every day

    Regular physiotherapy-guided balance and strength work slows functional decline and reduces falls better than any medication for most inherited ataxias.

  2. 02 Adapt

    Use the right aid at the right time

    A stick, frame or wheelchair used early keeps you out and about. Waiting until a fall forces the change usually costs confidence.

  3. 03 Nourish

    Eat safely and well

    Follow the swallowing plan from your SLT, keep hydrated and involve a dietitian if weight is falling or meals are taking longer.

  4. 04 Belong

    Find your community

    Ataxia UK, local support groups and online communities connect you with others living the same journey - it changes everything.

Frequently asked

Everything we get asked about ataxia.

Quick answers on causes, diagnosis, reversibility and modern disease-modifying options.

  • What is ataxia?

    Ataxia is a syndrome of impaired coordination and balance caused by disease of the cerebellum, the sensory pathways or the vestibular system. It shows up as a wide-based gait, clumsy limb movements, slurred speech and unsteady eye movements, and it has many possible causes rather than a single one.

  • What are the main causes?

    Ataxia is usually grouped into hereditary causes (spinocerebellar ataxias, Friedreich's ataxia, ataxia-telangiectasia, episodic ataxias and FXTAS), acquired causes (stroke, multiple sclerosis, cerebellar tumours, alcohol, autoimmune and paraneoplastic conditions, infections, toxins, metabolic deficiencies and sensory neuropathy) and sporadic late-onset causes (multiple system atrophy of cerebellar type and idiopathic late-onset cerebellar ataxia).

  • How is ataxia diagnosed?

    A neurologist takes a detailed history, performs a structured examination (often scored with SARA or ICARS), arranges MRI of the brain and cervical spine and requests a broad blood panel for vitamin, metabolic, autoimmune and paraneoplastic causes. Genetic testing is guided by family history, and nerve conduction studies, CSF analysis and whole-body imaging are added where appropriate.

  • Is there a cure for hereditary ataxia?

    For most inherited ataxias there is no cure yet, but the picture is changing. Omaveloxolone (Skyclarys) was approved in the UK by the MHRA in 2023 for Friedreich's ataxia and is the first disease-modifying drug licensed for a hereditary ataxia. Trials of other agents including troriluzole are ongoing.

  • Which acquired ataxias are reversible?

    Ataxia from vitamin B12, vitamin E, thiamine or copper deficiency, hypothyroidism, gluten sensitivity, Wilson's disease and some drug toxicities often improves substantially once the cause is treated. Autoimmune and paraneoplastic ataxias may respond to steroids, IVIg, plasma exchange or rituximab, especially when treated early.

  • What happens at a specialist ataxia clinic?

    A UK ataxia clinic (for example the Ataxia Centres of Excellence in Sheffield and London) brings neurology, clinical genetics, physiotherapy, speech and language therapy, occupational therapy, cardiology and psychology together in one visit. You leave with a coordinated management plan, genetic counselling where relevant and links to Ataxia UK for peer support.

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