EXTAVIA (interferon beta-1b) is a prescription medication approved for the treatment of relapsing forms of multiple sclerosis (MS) to reduce the frequency of episodes. EXTAVIA is also for patients who have had a single episode and MRI findings consistent with MS. Explore this site to find out how treatment with EXTAVIA and services from the EXTAVIA Go Program are here for you.

More EXTAVIA Information

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Patient Support Program

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Important Product Information Medication Guide www.fda.gov/medwatch

Important Product Information Medication Guide www.fda.gov/medwatch