Tysarbi

Were you looking for information about
 Tysabri? Tysarbi is a common misspelling of Tysabri.
 
Available by prescription only, Tysabri® (natalizumab) is a medication approved for people who cannot take or have not adequately responded to other forms of treatment for multiple sclerosis (MS) or Crohn's disease. Specifically, this drug can slow down the progression of disability and decrease the number of flare-ups (periods of disease relapse) in people with multiple sclerosis. It is also approved to reduce symptoms of moderate-to-severe Crohn's disease.
 
Tysabri is administered as an intravenous (IV) infusion by a healthcare provider every four weeks. Some people who receive this drug will experience side effects, such as headaches, fatigue, or nausea.
 
(Click Tysabri for more information on what this medication is used for, how it works, and what to discuss with your healthcare provider. You can also click any of the links in the box to the right for specific information.)
Written by/reviewed by: Susan Lakey, PharmD, MPH, BCPP
Last reviewed by: Kristi Monson, PharmD