Orthopedic & Muscular System: Current Research
Open Access

Intramuscular Interferon

Interferon beta-1a intramuscular injection is used to treat adults with various forms of multiple sclerosis (MS; a disease in which the nerves do not function properly and people may experience weakness, numbness, loss of muscle coordination, and problems with vision, speech, and bladder control) Interferon beta-1a intramuscular injection comes as a powder in vials to be mixed into a solution for injection. Interferon beta-1a intramuscular injection also comes as a solution (liquid) in prefilled injection syringes and in a prefilled automatic injection pen. This medication is injected into a muscle, usually once a week, on the same day each week. Inject interferon beta-1a intramuscular at around the same time of day on your injection days. Follow the directions on your prescription label carefully