About Multiple Sclerosis Symptoms



Multiple sclerosis (MS) is a potentially disabling disease of the brain and spinal cord (central nervous system).

In MS, the immune system attacks the protective sheath (myelin) that covers nerve fibers and causes communication problems between your brain and the rest of your body. Eventually, the disease can cause permanent damage or deterioration of the nerves.

Signs and symptoms of MS vary widely and depend on the amount of nerve damage and which nerves are affected. Some people with severe MS may lose the ability to walk independently or at all, while others may experience long periods of remission without any new symptoms.

There's no cure for multiple sclerosis. However, treatments can help speed recovery from attacks, modify the course of the disease and manage symptoms.

Multiple sclerosis signs and symptoms may differ greatly from person to person and over the course of the disease depending on the location of affected nerve fibers. Symptoms often affect movement, such as:

Numbness or weakness in one or more limbs that typically occurs on one side of your body at a time, or your legs and trunk
Electric-shock sensations that occur with certain neck movements, especially bending the neck article forward (Lhermitte sign)
Tremor, lack of coordination or unsteady gait
Vision problems are also common, including:

Partial or complete loss of vision, usually in one eye at a time, often with pain during eye movement
Prolonged double vision
Blurry vision
Multiple sclerosis symptoms may also include:

Slurred speech
Fatigue
Dizziness
Tingling or pain in parts of your body
Problems with sexual, bowel and bladder function

When to see a doctor
See a doctor if you experience any of the above symptoms for unknown reasons.

Disease course
Most people with MS have a relapsing-remitting disease course. They experience periods of new symptoms or relapses that develop over days or weeks and usually improve partially or completely. These relapses are followed by quiet periods of disease remission that can last months or even years.

Small increases in body temperature can temporarily worsen signs and symptoms of MS, but these aren't considered true disease relapses.

At least 50% of those with relapsing-remitting MS eventually develop a steady progression of symptoms, with or without periods of remission, within 10 to 20 years from disease onset. This is known as secondary-progressive MS.

The worsening of symptoms usually includes problems with mobility and gait. The rate of disease progression varies greatly among people with secondary-progressive MS.

Some people with MS experience a gradual onset and steady progression of signs and symptoms without any relapses, known as primary-progressive MS.

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