Tysabri is used on patients suffering from a relapse in multiple sclerosis and is only taken after failed results from other treatments. It is known to reduce flare-ups, slows down the progression of physical disability, and reduces the chances of new brain lesions and any new activity.
Tysabri is also used to treat Crohn’s disease by reducing signs and symptoms. Tysabri is primarily used to treat Crohn’s disease in patients who have not experienced desired results with other medicines, primarily tumor necrosis factor inhibitors.
Tysabri is administered intravenously once every four weeks.