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Health condition · Clinically reviewed

Multiple system atrophy, the Parkinson-plus condition that needs a wider lens.

Not simply Parkinson’s disease - MSA affects movement, coordination and the autonomic nervous system together. Early specialist input shapes everything that follows.

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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 NICE, NHS and peer-reviewed movement-disorder sources you can see at the end.

  • 03

    Current for 2026

    Reflects modern UK guidance on diagnosis, autonomic management and specialist MDT care for MSA.

Key facts

MSA at a glance.

The essentials, in plain English - what it is, the subtypes, and how it differs from Parkinson’s disease.

  • What it is

    A rare, progressive "Parkinson-plus" neurodegenerative condition affecting movement, coordination and the autonomic nervous system.

  • Subtypes

    MSA-P (parkinsonian, more common) with bradykinesia and rigidity, and MSA-C (cerebellar) with ataxia and poor coordination.

  • Distinguishing sign

    Poor or limited response to levodopa - the key feature that separates MSA from Parkinson’s disease.

  • Autonomic features

    Orthostatic hypotension, urinary dysfunction and erectile dysfunction often appear early and can dominate the picture.

  • MRI clue

    Brain imaging may show the characteristic "hot cross bun" sign in the pons, though it is not always present.

  • No cure

    There is no disease-modifying treatment - care focuses on symptom control, therapy input and planning ahead.

Why this guide matters

A wider picture than Parkinson’s alone.

MSA is rare, progressive and often mistaken for Parkinson’s disease early on. The three points below shape everything else on this page.

  • The levodopa response is a clue

    A poor or short-lived response to levodopa is one of the strongest signals that points away from typical Parkinson’s disease and towards MSA.

  • Autonomic symptoms often come first

    Orthostatic hypotension, bladder problems and erectile dysfunction frequently appear before - or alongside - the movement symptoms.

  • Early MDT input changes the experience

    Physiotherapy, occupational therapy, speech and language therapy and palliative care working together make daily life more manageable.

How the diagnosis is made

From first symptoms to a confirmed picture.

The steps a UK neurologist or movement disorder specialist will normally follow, in order - so you know what to expect and why.

  1. 01

    Assessing

    Detailed history and exam

    A neurologist looks for parkinsonism, autonomic symptoms and cerebellar signs appearing together, often within a few years of onset.

  2. 02

    Assessing

    Levodopa trial

    A structured trial of levodopa is given - a poor or short-lived response helps distinguish MSA from typical Parkinson’s disease.

  3. 03

    Assessing

    Autonomic function testing

    Tilt table testing confirms orthostatic hypotension - a sustained blood pressure drop on standing is a core diagnostic feature.

  4. 04

    Confirming

    MRI brain

    Imaging looks for pontine and cerebellar atrophy and the "hot cross bun" sign, and helps exclude other causes.

  5. 05

    Confirming

    Movement disorder clinic referral

    Diagnosis is clinical and rests on consensus criteria - a specialist movement disorder or neurology clinic confirms the pattern over time.

  6. 06

    Preparing

    Sleep and speech assessment

    REM sleep behaviour disorder, stridor and speech changes are checked, as these shape both diagnosis and day-to-day management.

  7. 07

    Preparing

    MDT and palliative care planning

    Because MSA is progressive, an early multidisciplinary and palliative care conversation helps plan support well ahead of need.

Typical timeline: diagnosis can take months, as the pattern needs to unfold over time.

Symptoms

What MSA actually looks like.

A mix of parkinsonism, autonomic dysfunction and, in many, cerebellar ataxia. And the feature that means it’s time to seek urgent attention.

  • Parkinsonism

    Bradykinesia and rigidity that look like Parkinson’s disease but respond poorly to levodopa.

  • Orthostatic hypotension

    A drop in blood pressure on standing, causing light-headedness, blurred vision or fainting.

  • Urinary dysfunction

    Urgency, frequency or incomplete bladder emptying - often an early autonomic symptom.

  • Erectile dysfunction

    Frequently one of the earliest autonomic signs in men, sometimes years before movement symptoms.

  • Cerebellar ataxia

    Unsteady, wide-based gait and poor coordination, more prominent in the MSA-C subtype.

  • Speech and swallowing changes

    Slurred, quiet or scanning speech, and swallowing difficulty as the condition progresses.

  • REM sleep behaviour disorder

    Acting out dreams during sleep - shouting, punching or kicking - often appearing years before diagnosis.

  • Red flag - stridor

    A harsh, high-pitched breathing sound, especially at night, needs urgent specialist assessment.

Treatment

How MSA is managed in the UK.

There is no disease-modifying treatment - management is symptomatic, multidisciplinary and reviewed regularly as needs change.

  • Levodopa trial

    Worth trying for parkinsonian symptoms, though benefit is often limited and wears off - response is monitored closely.

  • Fludrocortisone

    A mineralocorticoid used to help expand blood volume and reduce orthostatic hypotension.

  • Midodrine

    A vasoconstrictor that raises standing blood pressure, taken before activities likely to trigger symptoms.

  • Compression stockings

    Waist-high compression garments reduce blood pooling in the legs and help with standing tolerance.

  • Fluid and salt advice

    Increased fluid and salt intake, plus simple postural manoeuvres, are first-line for mild orthostatic symptoms.

  • Bladder management

    Intermittent catheterisation or medication for urgency, guided by a continence specialist or urologist.

  • Physiotherapy and OT

    Gait training, fall prevention and home adaptations to maintain independence and safety for as long as possible.

  • Speech and language therapy

    Supports speech clarity and swallowing safety, and helps plan for changing communication needs.

What this guide is based on

The sources behind every claim on this page.

UK national guidance, specialist charity resources and consensus diagnostic criteria, 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 neurologist knows your history and presentation and can tell you which parts apply to you. If in doubt, get seen.

  • NICE. Parkinson’s disease in adults (NG71) - includes differential diagnosis of atypical parkinsonism.

  • NHS. Multiple system atrophy - overview, symptoms and diagnosis.

  • MSA Trust. Clinical guidance and patient support resources.

  • Movement Disorder Society. Consensus criteria for the diagnosis of multiple system atrophy.

Red flags

When MSA needs urgent attention.

Much of MSA is managed with planned specialist review. These are the situations that need attention sooner.

  • Stridor

    A harsh, high-pitched breathing noise, particularly overnight, can signal airway compromise and needs urgent specialist review.

  • Recurrent falls

    Sudden, unexplained falls or a sharp rise in fall frequency deserve prompt physiotherapy and safety assessment.

  • Severe orthostatic hypotension

    Fainting or near-fainting on standing raises injury risk and often needs a medication review.

  • Swallowing difficulty

    Choking, coughing on food or drink, or unexplained weight loss point to aspiration risk and need a swallow assessment.

  • Rapid symptom progression

    A fast decline in mobility, speech or continence should prompt an urgent specialist review of the overall care plan.

  • Significant urinary retention

    Inability to pass urine, or recurrent urinary infections, needs same-day medical assessment.

  • Cognitive or mood changes

    New confusion, depression or anxiety are common in MSA and deserve assessment rather than being dismissed as “part of it”.

  • Breathing difficulty at night

    Noisy or obstructed breathing during sleep can reflect vocal cord involvement and warrants specialist input.

Living with it

A progressive condition, managed with a strong team.

Four things that make the biggest difference day to day - managing standing blood pressure, early therapy input, a coordinated team and specialist support.

A quiet reminder

You are not managing this alone.

A well-coordinated team, and honest conversations early, make each stage easier to plan for.

  1. 01 Standing

    Manage blood pressure drops

    Rise slowly, avoid hot showers and large meals before standing, and use compression garments as advised.

  2. 02 Support

    Bring in therapy early

    Physiotherapy, occupational therapy and speech and language therapy work best started before problems become severe.

  3. 03 Team

    Build a multidisciplinary team

    Neurology, continence, palliative care and your GP working together makes day-to-day life more manageable.

  4. 04 Connect

    Use MSA Trust support

    Specialist nurses, information and peer support can make a real difference for you and the people caring for you.

Frequently asked

Everything we get asked about MSA.

Quick answers on subtypes, diagnosis, levodopa and managing autonomic symptoms.

  • What is multiple system atrophy?

    MSA is a rare, progressive neurodegenerative condition that affects the autonomic nervous system, movement and coordination. It is sometimes called a "Parkinson-plus" condition because it shares features with Parkinson’s disease but progresses differently and does not respond well to the same treatment.

  • What is the difference between MSA-P and MSA-C?

    MSA-P is the parkinsonian subtype, more common, with bradykinesia and rigidity as the leading features. MSA-C is the cerebellar subtype, with ataxia, unsteady gait and poor coordination more prominent. Many people show a mix of both over time.

  • Why doesn’t levodopa work well in MSA?

    Levodopa targets dopamine pathways that are affected in Parkinson’s disease, but MSA involves wider degeneration that limits how well the drug can help. A poor or short-lived response to a proper levodopa trial is actually one of the clues doctors use to diagnose MSA rather than Parkinson’s.

  • What does the "hot cross bun" sign mean?

    It is a cross-shaped pattern sometimes seen on MRI in the pons, caused by loss of specific nerve fibres. It supports a diagnosis of MSA when present, but its absence does not rule MSA out - diagnosis still relies mainly on clinical assessment.

  • How is orthostatic hypotension in MSA managed?

    Simple measures come first - standing up slowly, good hydration, extra salt and compression stockings. If needed, medicines such as fludrocortisone or midodrine can help raise blood pressure on standing, always guided by a specialist.

  • Is there a cure for MSA?

    No, there is currently no disease-modifying treatment. Care focuses on managing symptoms, maintaining independence through physiotherapy, occupational therapy and speech and language therapy, and involving palliative care early to plan support as the condition progresses.

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