- Slowing down the worsening of disability and reducing the number of relapses in people with multiple sclerosis
- Treating and preventing symptoms in people with Crohn's disease.
Tysabri should only be given to people who have not responded to or cannot take other medications to treat their condition.
(For more details on other benefits of this drug, click Tysabri. This full-length article examines the clinical studies that have been done on Tysabri and offers information on potential side effects, dosing instructions, and safety precautions.)