Multiple Sclerosis - Types, Symptoms, Causes, Diagnosis, and Treatment

What Is Multiple Sclerosis?

Multiple sclerosis, otherwise called MS, is a chronic disease that can be potentially disabling, resulting from an illness affecting the central nervous system (brain and spinal cord). Here, the immune system in the body attacks the myelin, which is the protective sheath that covers all nerve fibers. The resulting scar formation makes it difficult for the brain to send signals to the other body parts. As it progresses, the disease most commonly causes permanent nerve damage.

The signs and symptoms depend on the severity and extent of nerve damage, as well as the specific nerve affected. Most patients enter remission and do not experience symptoms for an extended period. However, some patients lose the ability to walk without support or become wheelchair-bound. As of now, there is no known cure for this disease. Treatments can help in managing multiple sclerosis pain and its associated symptoms and slow the progression of the disease.

What Are the Types of Multiple Sclerosis?

The types of MS are:

• Clinically isolated syndrome (CIS): In this syndrome, one episode of symptoms lasts at least 24 hours. The symptoms can be monofocal or multifocal.

• Relapsing-remitting MS (RRMS): This is the most common form of MS, in which the disease relapses after a period of remission. Most patients have mild or no symptoms during the remission period.

• Primary progressive MS (PPMS): In this condition, neurological function worsens progressively from the onset of symptoms. It was previously called progressive-relapsing MS (PRMS).

• Secondary progressive MS (SPMS): This is when the RRMS form turns progressive.

When Does Multiple Sclerosis Start?

Multiple sclerosis can occur at any age, but it is usually diagnosed between the ages of 20 and 40. According to studies, some may experience it as early as seven years old, or may experience it after the age of 50. Sometimes, early symptoms are mild, which can go undiagnosed for years, and the disease is usually identified when the symptoms become more persistent. Factors such as genetic predisposition, environmental factors, or autoimmune activity can influence the onset of the disease and vary among individuals.

What Are the Symptoms of Multiple Sclerosis?

As it is a disease affecting the central nervous system, which controls the functions of the entire body, the multiple sclerosis symptoms are numerous and widespread.

Common symptoms:

• Muscle weakness: It occurs due to the lack of stimulation caused by nerve damage.

• Numbness and tingling sensation: Patients often experience a pins-and-needles-like sensation in their faces, arms, legs, or any other body part.

• Urinary problems: Most patients experience difficulties with bladder emptying and urinary incontinence.

• Vision problems: This includes blurred vision, partial or total loss of vision, or color distortion (such as red-green blindness). In later stages, pain while moving the eyes.

• Lhermitte's sign: This occurs when the patient experiences an electric shock sensation while moving their neck.

• Neuropathic pain.

• Constipation and bowel incontinence.

• Vertigo (dizziness).

• Tiredness and fatigue.

• Sexual dysfunction.

• Decreased libido.

• Muscle spasms.

• Tremors (involuntary jerky movements).

• Change in gait.

• Balancing problems.

• Depression.

• Learning disabilities.

• Memory problems.

• Difficulty concentrating.

Less common symptoms:

• Headaches.

• Deafness.

• Itching.

• Breathing problems.

• Seizures.

• Speech problems.

• Difficulty swallowing.

These symptoms have a profoundly negative impact on a person's social and personal life. This is a list of commonly observed symptoms; however, different individuals may exhibit varying symptoms. Some experience mild symptoms at first, which progress suddenly and cause disability. In some patients, the symptoms worsen for a period, after which they feel better.

What Are the Causes and Risk Factors of Multiple Sclerosis?

The exact cause of MS is not known. In MS, the myelin layer is damaged due to an autoimmune reaction that environmental factors can trigger. This damage results in inflammation, which causes the formation of scar tissue in the brain and spinal cord. This, in turn, disrupts the signaling system between the brain and the body.

Some factors seem to increase the risk of this disease, which are:

• People between the ages of 20 and 40 years.

• Women are affected twice as much as men.

• Genetic.

• Caucasians are more prone to getting MS.

• Smokers are more at risk than non-smokers.

• Infections like Epstein-Barr virus (EBV), human herpesvirus type 6 (HHV6), or Mycoplasma pneumoniae increase the risk of a person developing MS.

• Autoimmune diseases, such as type 1 diabetes or inflammatory bowel disease.

• Vitamin D deficiency affects the immune system.

• Vitamin B12 deficiency increases the risk of neurological problems.

Instead of a single cause, it is usually a combination of these factors that results in MS.

What Are the Possible Complications of Multiple Sclerosis?

The complications can range from mild to severe.

These include:

• Fatigue, muscle weakness, spasms, stiffness, or, in severe cases, inability to walk.

• Cognitive impairment can cause difficulty in thinking or, in severe cases, memory loss.

• Depression and anxiety.

• Sexual dysfunction such as erectile dysfunction, reduced libido, emotional difficulties, and reduced vaginal lubrication.

• Loss of vision.

• Loss of balance.

• Loss of bowel and bladder control.

• Difficulty swallowing.

• Urinary tract infections.

• Osteoporosis (weak bones).

What Are the Ways to Diagnose Multiple Sclerosis?

There is no specific test to diagnose multiple sclerosis; however, several tests can help. A multiple sclerosis diagnosis is made by conducting tests to rule out conditions that can result in similar symptoms.

The multiple sclerosis tests that are commonly done are:

• Blood tests: To rule out other medical conditions.

• Spinal tap or lumbar puncture: A small sample of the CSF (cerebrospinal fluid) is collected from the spinal canal for analysis. This sample is tested for abnormalities in the antibodies associated with MS and to rule out other infections.

• Magnetic resonance imaging (MRI): Lesions caused by MS can be seen in the brain and spinal cord.

• Evoked potential tests: The electrical signal produced by the nervous system in response to electrical stimulation is tested.

Some forms of MS can be diagnosed based on the pattern of on-and-off symptoms. It becomes a challenge when the symptoms are unusual and the disease is progressive.

How Is Multiple Sclerosis Treated and Managed?

Treatment can help manage symptoms, treat an attack of MS, and slow the progression of MS. But there is no known cure. If the symptoms are mild, then no treatment is needed.

The MS medications include:

1. To treat MS attacks:

• Corticosteroids such as Prednisone (oral) and Methylprednisolone (IV).

• Plasmapheresis (plasma exchange).

2. To slow or modify the progression of MS:

• In the case of primary-progressive MS, Ocrelizumab is considered.

• In the case of relapsing-remitting MS, disease-modifying therapies (DMTs) are considered.

3. To treat signs and symptoms of MS:

• Physical therapy: This improves strength and mobility.

• Cognitive behavioral therapy: To help manage depression or anxiety.

• Lifestyle changes: These include a healthy diet and quitting smoking.

• Others: Medicines may be prescribed to reduce fatigue and increase walking speed.

Along with these MS medications, if the patient has other symptoms like depression, insomnia, sexual dysfunction, and urinary problems, the doctor will also prescribe medicines for them.

How to Prevent Multiple Sclerosis?

There are no known ways to prevent multiple sclerosis. But a few lifestyle habits can help reduce the risk of developing, such as:

• Exposure to more sunlight and a diet rich in vitamin D can help prevent the development of MS.

• Avoiding smoking and alcohol.

• Maintaining a healthy weight.

• Involving stress-reducing techniques.

• Incorporating a healthy diet (omega-3 fatty acids) that supports the immune system.

• Involving regular exercise.

• Using probiotics to improve gut health.

• Practicing good hygiene to prevent infections.

• Getting regular health checkups.

• Getting enough sleep.

What Is It Like Living With MS?

Living with multiple sclerosis is quite challenging.

Therefore, it is essential to:

• Exercise regularly can improve balance, mood, cardiovascular fitness, and flexibility.

• Take the medicines as directed by your physician.

• When walking becomes hard, canes or walkers should be used.

• Eating nutritious food.

• Getting enough sleep.

• Managing other medical conditions.

• Rearranging your home environment can support your independence.

• Joining support groups.

• Getting psychological support for managing depression and anxiety.

• Learning about multiple sclerosis.

• Self-care.

What Is the Prognosis of Multiple Sclerosis?

Multiple sclerosis has no cure and is a lifelong condition, but with proper treatment, most individuals can manage their symptoms, slow down the disease progression, and minimize relapses.

The progression of the disease is unpredictable and can vary among individuals (the type, frequency of relapses, and the age of diagnosis). Some individuals may experience mild symptoms, while others may experience more severe symptoms. Overall, with proper management, individuals suffering from MS can lead fulfilling lives.

Conclusion:

Multiple sclerosis is a lifelong condition that requires early diagnosis and proper management. Multiple sclerosis causes the immune system to mistakenly attack the protective covering of nerve fibers, damaging the nerves and signaling system between the brain and the body. Multiple sclerosis symptoms can vary widely from mild to severe. How to treat multiple sclerosis (MS) depends on the type of MS, its severity, and the individual’s overall health. While there is no cure, with proper support and management, individuals with MS can live longer life.

Key Takeaways From iCliniq:

• Multiple sclerosis, or MS, is a disease that lasts a long time. It happens when our body’s own defense system (immune system) attacks the covering that protects the brain and spinal cord.

• MS can happen to anyone, no matter their age. But it affects more girls than boys. Around 2.8 to 2.9 million people all over the world have MS.

If you’re having any signs of MS or need special advice without going out, you can talk to our iCliniq neurologist right from your home!