New BOX WARNINGS issued by the FDA on multiple sclerosis drugs - May 2015

Tysabri -
http://www.fda.gov/Safety/MedWatch/SafetyInformation/ucm355780.htm
Gilenya - http://www.fda.gov/Safety/MedWatch/SafetyInformation/ucm266123.htm

Tysabri (Natalizumab) injection Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER) May 2015Summary ViewWARNINGS AND PRECAUTIONSProgressive Multifocal LeukoencephalopathyRevision to Table 1 December 2013Summary ViewBOXED WARNINGWARNING: PROGRESSIVE M…