Tecfidera and PML

A second case of PML has been reported in someone taking dimethyl fumarate (Tecfidera). Few details available so far, but like the previously reported instance, this person also had had prolonged severe lymphopenia (low white blood cell count). Medpage Today Dimethyl fumarate (Tecfidera) - A to Z of MS PML (Progressive multifocal leukoencephalopathy) - A to Z of MS
Source: Multiple Sclerosis Trust - Category: Neurology Source Type: news