Resumen de A Rare Brain Infection with Multiple Sclerosis Dug

Diane S. Aschenbrenner

• * A patient contracted progressive multifocal leukoencephalopathy (PML) and died after taking dimethyl fumarate (Tecfidera) to treat relapsing multiple sclerosis.

  * Patients who take dimethyl fumarate and develop any new or worsening weakness on one side; trouble using the arms or legs; or changes in thinking, eyesight, strength, or balance should contact their prescriber immediately for evaluation.