Medications for MS: What’s the difference between interferon beta-1a and interferon beta-1b?
Four of the seven currently available disease-modifying MS drugs are often referred to as “the interferons” - Avonex, Rebif, Betaseron, and Extavia. The first two listed are interferon beta-1a and the last two are interferon beta-1b. What is an interferon? Occurring naturally in the body, interferons are... Read more
