Multiple sclerosis

MS in plain words

MS is a disease where the body's own defense system attacks the nerves in the brain and spine. Messages from the brain to the body get slowed down, mixed up, or blocked. That's why it can affect almost anything: walking, seeing, thinking, feeling, and energy.

Think of a nerve like a power cord

Every nerve is like a wire carrying signals. Around the wire is a coating, like the plastic on an extension cord. That coating is called myelin, and it keeps signals moving fast and clean.

In MS, the immune system, which is supposed to fight germs, attacks that coating by mistake. Where the coating gets damaged, it leaves scars. "Sclerosis" means scars, and "multiple" is because they show up in many places. A damaged spot is like a cord with the plastic worn off: the power flickers, shorts out, or stops.

Healthy nerve Nerve with MS damage scar scar
The orange dots are signals. On the damaged nerve, they slow down and fade where the coating is gone.

Quick facts

Nearly 1 millionpeople in the U.S. live with MS
Ages 20 to 50when most people are diagnosed
2 to 3 timesmore common in women than men
Not contagiousyou can't catch it from anyone
Not directly inheritedfamily history raises the odds only a little
No cure yetbut treatments can slow it down

What MS can feel like

MS is different for every person. Two people with MS can have completely different symptoms. Here are the most common ones.

Fatigue

A heavy, whole-body tiredness that sleep doesn't fix. It's the most common symptom.

Weakness

An arm or leg that won't do what you tell it, or gives out sooner than it should.

Walking and balance

Stumbling, dragging a foot, or getting worn out by distance and hills.

Numbness and tingling

Pins and needles, or parts of the body that feel "asleep."

Brain fog

Losing words, forgetting things, or trouble keeping up with fast talk.

Vision problems

Blurry or double vision, or pain behind one eye.

Heat sensitivity

Hot weather, a hot shower, or a fever can make symptoms worse for a while.

Pain and stiffness

Muscle spasms, tight legs, or nerve pain that burns or stabs.

Bladder and bowel

Needing to go suddenly or often. Common, but rarely talked about.

Mood

Depression and anxiety are common, partly from the disease itself and partly from living with it.

"But you look fine." Most MS symptoms can't be seen. Fatigue, fog, pain and numbness are invisible. Someone can look healthy and still be running on empty.

Energy with MS works like a weak battery

A healthy person wakes up close to a full charge. Someone with MS often starts lower, and everyday things drain it faster. When it's gone, it's gone, and pushing harder doesn't work.

Without MS
With MS, a good day
With MS, a bad day

That's why people with MS sometimes cancel plans, need to sit down, or have to choose between two things they'd like to do.

The kinds of MS

Relapsing-remitting

The most common kind at diagnosis. Symptoms flare up (a "relapse"), then get better or go away for a while.

Secondary progressive

Some people with relapsing MS later shift to a slow, steady worsening, with fewer clear flare-ups.

Primary progressive

About 1 in 10 people. Symptoms slowly get worse from the start, without big flare-ups.

CIS

"Clinically isolated syndrome." A first episode that looks like MS. Some people go on to get MS and some don't.

How doctors find it

There's no single test for MS. A neurologist (a nerve doctor) puts the picture together from:

How it's treated

There's no cure yet, but MS treatment has come a long way.

Most people with MS live close to a normal lifespan. The goal of treatment is to keep life as full as possible for as long as possible.

Myths and the truth

Everyone with MS ends up in a wheelchair.
Most people with MS never need a wheelchair full time.
If they look fine, they feel fine.
Most symptoms are invisible.
MS is a death sentence.
Most people live close to a normal lifespan.
You can catch MS.
MS is not contagious.
They're just lazy or not trying.
MS fatigue is real and comes from the disease, not from willpower.

How you can help someone with MS

My MS

I'm Topher, and I live in Hot Springs, Arkansas. Here's how MS shows up for me:

Some days are good and some aren't. I do most of my work from home on the computer, building websites and helping local businesses. MS slows me down, but I'm not done yet.

Learn more

National MS Societynationalmssociety.org · 1-800-344-4867
MS Foundationmsfocus.org · free help and support programs
Can Do MSmscando.org · classes on living well with MS