What is betaferon?

Betaferon, also known as interferon beta-1b, is a medication used to treat relapsing forms of multiple sclerosis (MS). It works by reducing inflammation and slowing the progression of MS. Betaferon is given as a subcutaneous injection every other day and must be prescribed by a healthcare professional. Possible side effects include flu-like symptoms, injection site reactions, and depression. Betaferon is a brand name for interferon beta-1b, which is also available under other brand names such as Extavia and Betaseron. Its effectiveness and safety have been demonstrated in clinical trials and it is approved by the FDA for use in the United States.