Science news articles about 'sclerosis drug'

There are reports of a rare brain infection among people taking the multiple sclerosis drug Tysabri, Health Canada warns.

The risk of developing leukemia as a side effect of a drug for multiple sclerosis (MS) is higher than previously reported, according to a study to be presented as part of the Late-breaking Science ...

... can identify the presence of a virus that can cause a potentially deadly brain infection in certain patients taking its multiple sclerosis drug Tysabri, and hopes to have it available by year-end.