How TYSABRI Works

TYSABRI is different and it works differently.

  • TYSABRI is an antibody, not an interferon or glatiramer acetate. An antibody is a protein made by your immune system
  • TYSABRI is thought to inhibit white blood cells from getting into the brain and attacking nerves
  • Keeping these cells from attacking nerves is believed to result in fewer brain lesions that cause MS symptoms
  • The way in which TYSABRI works has been studied, but the exact way that TYSABRI works is not fully known

 


  previous  |  next    
Important Safety Information

 

Please see full Prescribing Information, including Boxed Warning and Patient Medication Guide.

© 2008 Biogen Idec. This site is intended for residents of the United States, Puerto Rico, and US territories only.

TYSABRI® is a registered trademark and TOUCH™ is a trademark of Elan Pharmaceuticals, Inc.

BIOGEN IDEC™ is a trademark of BIOGEN IDEC.