EXTAVIA is one of several MS treatments called interferons that are known as disease-modifying therapies.
Interferon beta-1b is the active ingredient in EXTAVIA and is based on a protein that's found naturally in your body.
EXTAVIA is a prescription medication approved for the treatment of relapsing forms of multiple sclerosis to reduce the frequency of episodes. EXTAVIA is also for patients who have had a single episode and MRI findings consistent with MS.
Although EXTAVIA is proven effective, the exact mechanism of action is unknown.






Benefits of Extavia


