Interferon beta-1a is an immunomodulator used to prevent episodes of symptoms and slow the development of disability in patients with relapsing-remitting multiple sclerosis. It comes as a solution to inject subcutaneously (under the skin) three times a week, ideally the same 3 days each week.
See more information, including instructions, precautions, side effects, and interactions.
Report created on November 23, 2009.