What is Actimmune (interferon gamma-1b)?
Interferon gamma-1b is made from human proteins. Interferons help the body fight viral infections. Interferon gamma-1b is a specific interferon used to prevent infections in people with a condition called chronic granulomatous disease. Interferon gamma-1b is also used to treat a congenital bone disorder called osteopetrosis. Interferon gamma-1b may also be used for other purposes not listed in this medication guide.