For medical questions or product-related issues about our pharmaceutical products, please contact our Medical Information line at +1 866 477 3462 or by e-mail canmed@biogen.com.

To report an adverse event or suspected side effect experienced with a Biogen product please call:

• Multiple Sclerosis: +1 855-676-6300 (or by email to medicalservices@biogen.com)
• Spinal Muscular Atrophy: +1 844-483-3360 (or by email to medicalservices@biogen.com)
• BYOOVIZ^TM:  +1 866-477-3462 (or by email to canmed@biogen.com)

Note, Biogen markets and sells BYOOVIZ pursuant to an agreement with Samsung Bioepis, the marketing authorization holder for the product. If you report an Adverse Event (AE) / Product Complaint (PC) for this product, your report will be sent to Samsung Bioepis, who may follow-up with you if they require further information regarding your AE or PC.

If you wish to report any compliance concerns regarding Biogen or any of its employees or contractors, you may do so in writing at the address provided below or confidentially and anonymously, where permitted by local law, by using the Compliance Helpline. Complaints submitted in this manner will be forwarded directly to the Chair of the Audit Committee.

To submit a report through the Compliance Helpline, click here for international Compliance Helpline dial-in numbers.

Click here to submit a report online, or write to us at:

Corporate Compliance
Biogen Inc
225 Binney Street
Cambridge, MA 02142
USA