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TYSABRI is used to treat multiple sclerosis (MS). MS causes inflammation in the brain that damages the nerve cells. TYSABRI stops the cells that cause inflammation from going into your brain. This reduces nerve damage caused by MS.

15mL vial 20 mg/mL 1x15mL vial


Additional information


English, Non=English

Tysabri is a brand-name prescription drug. It?s used in adults to treat:

  • Relapsing forms of multiple sclerosis (MS). MS is an illness in which your immune system (your body?s defense against disease) attacks your central nervous system.
  • Moderately to severely active Crohn?s disease if other treatments haven?t worked for you. Crohn?s disease is a kind of inflammatory bowel disease in which you have swelling in your digestive tract. And ?active? means that you currently have symptoms.

Tysabri contains the active drug natalizumab. This is a type of biologic drug (made from parts of living organisms) called an integrin receptor antagonist. Tysabri is an immunosuppressant drug. It lowers the activity of your immune system.