Contact us

To report an adverse event, make a product complaint or have a medical information enquiry, please use the telephone contact numbers you will find here.

Information on how Biogen processes the personal data of healthcare professionals and your rights in relation to this can be found in our Healthcare Professional Privacy Notice at https://www.biogen.com/en_us/privacy-international.html

Biogen International GmbH
Neuhofstrasse 30
6340 Baar
Switzerland
Phone: +41 41 39 21700
Fax: +41 41 39 21710