Multiple Sclerosis (RRMS)

Models used for illustrative purposes only.  

BETASERON® (interferon beta-1b) is a prescription medicine used to treat relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults.

What is RRMS?

Most people with multiple sclerosis (MS) have a type called relapsing-remitting MS (RRMS). RRMS is a disease that causes neurologic symptoms from inflammation in the central nervous system (CNS).

This inflammation happens when your body’s immune system mistakenly attacks the CNS and damages the protective coating around your nerves, which is called myelin. Referred to as demyelination, this is caused by an abnormal immune process that happens when T cells attack the myelin that surrounds the nerve fibers. This damage prevents your nerves from sending signals to your brain, spinal cord, and other parts of your body the way they should.

In RRMS, symptoms worsen (relapse) and then decrease or sometimes disappear (remission). Remissions can last from months to years.


What are the symptoms of RRMS?

The symptoms of RRMS are variable and unpredictable. No two people have exactly the same symptoms, and each person’s symptoms can change or fluctuate over time.

Some of the more common symptoms of RRMS include:

  • Double vision
  • Pain and temporary loss of vision in one eye (optic neuritis)
  • Severe pain in your face (trigeminal neuralgia)
  • Lack of muscle control (cerebellar ataxia)
  • Weakness in your arms and legs
  • Tingling, numbness, or weakness in your neck, arm, or leg (partial myelopathy)
  • Fatigue
  • Learning and/or memory problems
  • Bowel and/or bladder problems

How is RRMS diagnosed?

To make a diagnosis of RRMS, your doctor—most likely a neurologist—may perform:

  • A physical examination, including a neurologic examination
  • A complete medical history with specific questions about your symptoms and how long you have had them
  • A test called magnetic resonance imaging (MRI) to look for signs of inflammation and loss of myelin in the CNS
  • Lab tests to rule out other possible causes for your symptoms

Occasionally, your doctor may perform a spinal tap to look at the fluid that surrounds your brain and spinal cord.

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Questions about BETASERON? Call 1-844-788-1470

Questions about BETASERON? Call 1-844-788-1470

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