Video: Knowing when, to switch an MS Medication Stuart Schlossman May 19, 2015MS Drug Therapies, MS Educational Programs, MS Views and News, Multiple Sclerosis, Multiple Sclerosis Videos Click the above to listen and learn on the topic: Knowing When, to Switch a Multiple Sclerosis (MS) Medication ~~~~~~~~~~~~~~~~~~~~ Keep CURRENT with MS Views and News – OPT-IN here . . Visit our MS Learning Channel on YouTube: http://www.youtube.com/msviewsandnews