This Is MS Multiple Sclerosis Knowledge & Support Community

Changing natalizumab dosing frequency reduced risk for Progressive Multifocal Leukoencephalopathy (PML)

A commonly-prescribed multiple sclerosis (MS) infusion medication linked to a rare but serious side effect is safer to use when dosing intervals are extended, according to a new study led by MS specialists at NYU Langone Health in New York…Read more - http://www.ms-uk.org/changing-natalizum ... opathy-pml

I have to wonder why anyone would take a medication known to cause or potentially cause something as serious as PML. This is not the only medication that has this very, very serious risk.