Multiple Sclerosis Resource Centre

Understanding MS, together

Trusted, compassionate information for people living with multiple sclerosis, their families, and caregivers.

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What are you looking for?

🔍 Symptoms of MS

🩺 Getting Diagnosed

💊 Treatment Options

🌿 Living with MS

🤝 Support & Resources

🔬 Latest Research

MS by the numbers

The global picture

2.9M

People living with MS worldwide

3:1

Women diagnosed for every man

20-50

Typical age of diagnosis (years)

200+

New cases diagnosed every week globally

Explore topics

Core areas of information

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What is MS?

Understand how MS affects the nervous system, who it affects, and why it happens.

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Types of MS

RRMS, SPMS, PPMS — learn the differences between the four main forms.

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Treatment

Disease-modifying therapies, symptom management, and lifestyle approaches.

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Living with MS

Practical guidance for daily life, work, relationships, and emotional wellbeing.

Not a substitute for medical advice. This website provides general educational information only. Always consult your neurologist or healthcare team about your individual situation.

About the Condition

What is Multiple Sclerosis?

Multiple sclerosis is a chronic disease of the central nervous system — the brain and spinal cord.

The basics

An autoimmune disease of the nervous system

In MS, the immune system mistakenly attacks the protective myelin sheath that surrounds nerve fibres in the brain and spinal cord. This damage disrupts or blocks the nerve signals that control movement, sensation, vision, and many other body functions.

The name "multiple sclerosis" refers to the multiple scars (scleroses) — also called lesions or plaques — that form in the nervous system at sites of myelin damage.

Key fact: MS is not contagious, and it is not directly inherited — though genetic factors can influence your risk.

The science

How MS damages the nervous system

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Myelin sheath

Acts like insulation around nerve fibres. When damaged, nerve signals slow down, get distorted, or stop entirely.

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Immune attack

White blood cells cross the blood-brain barrier and mistakenly attack myelin, causing inflammation and lesion formation.

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Remyelination

The brain can repair some myelin damage early in the disease. Over time this repair capacity diminishes.

Causes & risk factors

Why does MS develop?

The exact cause is unknown, but research points to a combination of genetic susceptibility and environmental triggers.

Genetic factors

Having a first-degree relative with MS raises risk modestly
Certain HLA gene variants are associated with higher risk
MS is not caused by a single gene — many genes are involved

Environmental factors

Epstein-Barr virus (glandular fever) — strongly linked
Low vitamin D levels from reduced sun exposure
Smoking significantly increases risk and worsens progression
Higher prevalence at greater distances from the equator

Who gets MS?

Prevalence & demographics

75%

of people with MS are women

20–40

Most common diagnosis age range

1 in 300

People affected in Canada & UK

Classification

The Four Types of MS

MS is not a one-size-fits-all disease. There are four recognised types, each with a distinct pattern of symptoms and progression.

Most common · ~85% of cases

Relapsing-Remitting MS (RRMS)

The most common form of MS. People experience clearly defined relapses during which new or worsening symptoms appear. These are followed by periods of remission — partial or complete recovery — where the disease does not progress.

Develops from RRMS · ~50% over 10 years

Secondary Progressive MS (SPMS)

Many people with RRMS transition to SPMS over time. In this phase, disability accumulates more steadily, with or without relapses. The transition is gradual and can be difficult to pinpoint precisely.

~10–15% of cases

Primary Progressive MS (PPMS)

Characterised by steady worsening of neurological function from the very beginning, without distinct relapses or remissions. PPMS tends to affect men and women equally and is diagnosed at an older average age than RRMS.

Rare form

Progressive-Relapsing MS (PRMS)

The rarest form of MS. People experience steady neurological decline from onset, but also have clear acute relapses on top of ongoing progression — unlike PPMS, where progression is smooth.

Note: The MS disease course is not fixed. People may transition between types over time, and your neurologist will monitor changes in your condition at regular appointments.

Signs & Symptoms

Symptoms of MS

MS symptoms vary widely from person to person — no two people experience the disease in quite the same way.

Interactive Explorer

How MS affects the body

Hover over or tap any highlighted region to learn how multiple sclerosis can affect that part of the body.

Hover over a marker on the body to explore how MS affects that region

Brain & CNS Sensory & Motor Autonomic Mobility

Brain & CNS

Sensory & Motor

Autonomic

Mobility

Common symptoms

What MS can look and feel like

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Fatigue

Overwhelming tiredness that is not relieved by rest — one of the most common and disabling MS symptoms.

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Vision problems

Optic neuritis (pain with eye movement, blurred or lost vision), double vision, or involuntary eye movements.

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Numbness & tingling

Often one of the first symptoms. Can affect the face, body, arms, or legs.

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Muscle weakness & spasticity

Stiffness, muscle spasms, difficulty walking, or weakness in limbs.

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Balance & coordination

Dizziness, vertigo, unsteady gait, and difficulty with fine motor tasks.

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Cognitive changes

Memory difficulties, slowed thinking, trouble concentrating — sometimes called "cog fog."

Less visible symptoms

The hidden challenges

Many MS symptoms are invisible to others, which can make it difficult for people to understand what you are going through.

Heat sensitivity: Many people with MS find that their symptoms temporarily worsen in hot weather, after exercise, or with a fever. This is called Uhthoff's phenomenon and is not a relapse.

During a relapse

Recognising a flare-up

A relapse is a new or significantly worsening symptom that lasts more than 24 hours in the absence of fever or infection. Relapses can last days to weeks and recovery can be partial or complete.

Contact your MS nurse or neurologist if you think you are having a relapse
Steroid treatment can speed recovery but does not change the long-term outcome
Rest and avoiding overheating can help manage symptoms during a relapse
Pseudorelapses caused by infection or heat are not true relapses — treat the underlying cause

Getting Diagnosed

How MS is Diagnosed

There is no single test for MS. Diagnosis involves ruling out other conditions and finding evidence of damage in two or more areas of the nervous system.

The process

Steps toward a diagnosis

1. Neurological examination

A neurologist assesses reflexes, coordination, balance, vision, and sensation to identify signs of nervous system damage.

2. MRI scan

Magnetic resonance imaging of the brain and spine identifies lesions (areas of myelin damage). This is the most important diagnostic tool for MS.

3. Lumbar puncture (spinal tap)

A sample of cerebrospinal fluid is analysed for oligoclonal bands — proteins that suggest immune activity in the central nervous system.

4. Evoked potential tests

These measure how quickly the brain responds to stimuli, and can reveal slowed nerve conduction caused by demyelination.

5. Applying the McDonald Criteria

The internationally accepted diagnostic framework requires evidence of damage in at least two separate areas of the CNS, at two different points in time.

Differential diagnosis

Ruling out other conditions

Many conditions can mimic MS symptoms, which is why diagnosis can take time. Common conditions that must be excluded include:

Advocating for yourself: The average time from first symptoms to MS diagnosis is around 5 years. If you feel unheard, it is entirely appropriate to request a referral to a neurologist or seek a second opinion.

Managing MS

Treatment Options

There is currently no cure for MS, but there are many effective treatments that reduce relapses, slow progression, and manage symptoms.

Disease-modifying therapies

DMTs — changing the course of MS

Disease-modifying therapies (DMTs) reduce the frequency of relapses and slow the accumulation of new lesions. They are broadly categorised by their route of administration and efficacy level.

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Injectable DMTs

Interferons (Avonex, Rebif, Betaseron) and glatiramer acetate. Moderate efficacy, well-established safety profiles.

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Oral DMTs

Dimethyl fumarate, teriflunomide, siponimod, ozanimod. Convenient for many patients; varying efficacy.

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Infusion DMTs

Natalizumab (Tysabri), ocrelizumab (Ocrevus), alemtuzumab (Lemtrada). High efficacy, given in clinic.

Relapse management

Treating a flare-up

High-dose corticosteroids (methylprednisolone) can reduce the duration and severity of relapses
Plasma exchange (plasmapheresis) may be used for severe relapses that do not respond to steroids
Rest is important — do not push through fatigue during a relapse
Rehabilitation (physiotherapy, occupational therapy) helps recovery after significant relapses

Symptom management

Treating individual symptoms

Medications

Baclofen or tizanidine for muscle spasticity
Amantadine or modafinil for fatigue
Gabapentin or amitriptyline for neuropathic pain
Oxybutynin or mirabegron for bladder urgency
Antidepressants for depression and emotional symptoms

Therapies

Physiotherapy to improve strength, balance, and mobility
Occupational therapy for daily living adaptations
Speech and language therapy for swallowing or speech
Cognitive rehabilitation for memory and concentration
Counselling or CBT for depression and anxiety

Lifestyle

Complementary approaches

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Exercise

Regular aerobic and strength exercise reduces fatigue, improves mood, and supports brain health. Aim for consistency over intensity.

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Diet

A Mediterranean-style diet rich in vegetables, fish, and healthy fats is associated with better MS outcomes. Vitamin D supplementation is widely recommended.

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Mind-body practices

Yoga, mindfulness, and meditation can help manage fatigue, pain, and anxiety in MS.

Daily Life

Living with MS

MS affects every aspect of life — but with the right knowledge, support, and strategies, many people live full, meaningful lives.

Every day

Managing day-to-day life

Energy conservation — pace yourself, prioritise tasks, and plan rest breaks into your day
Heat management — stay cool in hot weather, use cooling vests, avoid hot baths
Mobility aids — walking sticks, orthotics, scooters, and other aids can preserve independence
Home adaptations — grab rails, shower chairs, and adjustments can make daily tasks safer and easier

Mental health

Emotional wellbeing matters

Depression and anxiety are twice as common in people with MS compared to the general population — and not just as an emotional reaction. MS lesions in certain brain areas directly contribute to mood changes.

It's not just you. Emotional and cognitive changes are recognised neurological symptoms of MS, not signs of weakness. Talk to your MS team — effective treatment is available.

Work & career

MS in the workplace

You are not legally required to disclose an MS diagnosis to your employer in most countries, but disclosure may be needed to request workplace adjustments
Reasonable adjustments may include flexible hours, working from home, modified duties, or a dedicated parking space
Disability employment advisors can help you navigate benefits, rights, and return-to-work planning
Some people with MS choose to reduce hours or stop working — this is a personal decision and benefits may be available to support you

Relationships

Family, friends & caregivers

Talking to loved ones

It can be hard to explain MS to people who have not experienced it. Focus on what it actually feels like for you, rather than textbook definitions. Let people know what kind of support you need — and what you do not.

For caregivers

Caring for someone with MS can be deeply rewarding and deeply challenging. Carer wellbeing matters — seek your own support, take breaks, and connect with other caregivers through MS organisations.

Community voices

Real experiences

"The fatigue was the hardest part for people to understand. I looked fine on the outside. Learning to explain that to my family changed everything."

Sarah, 38 — diagnosed with RRMS at 29

"I was terrified when I was first diagnosed. Ten years later, I'm still working, still travelling. MS is part of my life, but it doesn't define it."

Marcus, 52 — living with SPMS

"Finding an online community of other people with MS made an enormous difference. You realise you are not alone, and there's so much practical wisdom out there."

Priya, 44 — diagnosed with PPMS at 41

Science & Progress

Research & News

MS research is advancing rapidly. New treatments, better understanding of disease mechanisms, and potential repair strategies are emerging.

Latest developments

Recent highlights

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Cause & Prevention

Epstein-Barr virus confirmed as major MS trigger

A landmark US military study found that EBV infection dramatically increases MS risk, strengthening the case for an EBV vaccine as a prevention strategy.

2022 · Science journal

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Treatment Approval

Ublituximab approved for relapsing MS in the US

A new anti-CD20 infusion therapy (Briumvi) joins the high-efficacy treatment options available for relapsing forms of MS.

2023 · FDA Approval

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Remyelination

Promising results in myelin repair research

Early-phase trials of drugs designed to promote remyelination are showing encouraging signs, opening the door to potential recovery of lost function.

2024 · Nature Medicine

What's coming

Emerging therapies in the pipeline

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Remyelination therapies

Drugs that stimulate the brain's own repair cells (oligodendrocytes) to rebuild the myelin sheath. Several are in Phase 2 trials.

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Stem cell treatment (HSCT)

Haematopoietic stem cell transplantation "reboots" the immune system. Increasingly used in aggressive RRMS at specialist centres.

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Neuroprotection

Drugs that protect nerve fibres from damage independent of immune activity, potentially slowing disability independently of DMTs.

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EBV vaccine

Vaccine candidates targeting Epstein-Barr virus are in development with the hope of preventing MS before it starts.

Clinical trials

Participating in research

Clinical trials are essential for developing better MS treatments. Participating can give you access to cutting-edge therapies and directly contributes to progress for everyone with MS.

Talk to your neurologist about whether any current trials may be suitable for you
Visit ClinicalTrials.gov to search open trials by condition, location, and status
The MS Society and MS International Federation also maintain trial finder tools
Participation is always voluntary and you can withdraw at any time

Help & Community

Support & Resources

You do not have to face MS alone. A wide range of organisations, communities, and services exist to help you and your family.

Key organisations

MS organisations worldwide

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MS International Federation (MSIF)

The global voice of the MS movement, representing MS societies in over 40 countries. Provides research funding, advocacy, and an atlas of global MS data.

msif.org →

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MS Society (UK)

The UK's largest MS charity. Offers helplines, local branches, research funding, and a wealth of information resources.

mssociety.org.uk →

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National MS Society (USA)

Provides comprehensive resources, a helpline, financial assistance, and an MS Navigator service to help connect people with local resources.

nationalmssociety.org →

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MS Canada

Canada's national MS charity, offering programs, support groups, research funding, and services in both English and French.

mscanada.ca →

Community

Support groups & peer networks

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Online communities

MS-specific forums such as MS-UK's online community, Reddit's r/MultipleSclerosis, and MS Society discussion boards.

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Local support groups

Face-to-face peer support through MS society branches. Use your national MS charity's branch finder to locate groups near you.

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Peer buddy programmes

Be matched with someone who has similar MS experiences. Many MS societies offer these one-to-one peer support programmes.

Financial assistance

Help with costs

Most DMT manufacturers have patient assistance programmes for those who cannot afford medication
Disability Living Allowance (UK), SSDI/SSI (USA), or equivalent national disability benefits may be available
Many MS charities offer small grants for mobility aids, home adaptations, or respite care
Talk to a social worker or MS Navigator for help navigating financial support options

Common Questions

Frequently Asked Questions

Straightforward answers to the questions people with MS — and their loved ones — ask most often.

About the condition

General questions

MS is not directly inherited — you cannot "catch" it from a parent. However, having a first-degree relative (parent or sibling) with MS does increase your risk, from about 1 in 330 in the general population to roughly 1 in 40. This suggests a genetic component, but MS is not caused by a single gene.

MS is rarely fatal directly. Most people with MS have a near-normal life expectancy. In the past, complications such as infections were more serious, but modern medical care has significantly improved outcomes. Some people with very aggressive forms of the disease can experience more serious complications over time.

Currently there is no cure for MS. However, many effective treatments can reduce relapses, slow progression, and manage symptoms. Research into remyelination, neuroprotection, and disease modification is progressing rapidly, and the outlook continues to improve.

Most people with MS do not use a wheelchair. Around two-thirds of people with MS remain able to walk 20 years after diagnosis, though some use aids such as sticks. The disease course varies widely, and modern DMTs are significantly better at slowing disability progression than older treatments.

Diagnosis & treatment

Medical questions

Most neurologists now recommend starting a DMT soon after diagnosis, as early treatment is associated with better long-term outcomes. The decision depends on your MS type, disease activity, and personal circumstances. Discuss the options thoroughly with your neurologist before deciding.

Stopping a DMT without medical advice can increase relapse activity and new lesion formation. If you are considering stopping — due to side effects, cost, or family planning — always discuss this with your neurologist first, as they may be able to switch you to a different therapy.

Yes. MS does not directly affect fertility, and many women with MS have healthy pregnancies. Relapses often decrease during pregnancy (especially the third trimester) but may temporarily increase in the months after delivery. You will need to work with your neurologist on a pregnancy plan, as some DMTs must be stopped before trying to conceive.

Daily life

Life with MS

Yes — exercise is actively encouraged for most people with MS. Regular activity improves fatigue, mood, strength, and balance. Aim to exercise when you are coolest, stay hydrated, and choose activities you enjoy. A physiotherapist experienced in MS can design a programme that is safe and effective for you.

Many people with MS continue to work for years or decades after diagnosis. Workplace adjustments — such as flexible hours, working from home, or modified duties — can make a significant difference. Disability employment advisors can provide practical support around rights, adjustments, and benefits.

No single diet has been proven to treat MS. However, a balanced diet rich in vegetables, whole grains, oily fish, and healthy fats (similar to a Mediterranean diet) supports general health and may be beneficial. Vitamin D supplementation is commonly recommended. Avoid crash diets or supplements that promise to "cure" MS — these are not evidence-based.

Not necessarily. Temporary worsening of symptoms in heat (or with fever) is called Uhthoff's phenomenon and is not a true relapse. It happens because heat further slows electrical conduction through already-damaged nerve fibres. Symptoms typically return to baseline once you cool down. A relapse involves new or significantly worsening symptoms that persist for more than 24 hours in the absence of a temperature change.