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Contact Us

Highly trained MS support specialists are available to answer your questions about MS and AVONEX, and to offer other AVONEX services, such as:

  • Advice on starting therapy
  • Educational materials and tools
  • Cost and insurance assistance
  • Information about financial assistance options for those who can't pay for their medication
  • Free in-home injection training through our ActiveNurses™ program
  • Your own AVONEX ActiveSource® Coordinator

Remember, no question is too big or too small. Call AVONEX Services toll free: 1-800-456-2255 Monday—Friday, 8:30 AM—8:00 PM (ET).

You can also write to us at:

MS ActiveSource
Biogen Idec
5000 Davis Drive
PO Box 13919
Research Triangle Park, NC 27709


Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Please see the full Prescribing Information and Medication Guide for additional important safety information. This information is not intended to replace discussions with your healthcare provider.


Kelly: Why I choose AVONEX


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