Natalizumab
"Diagnosed 2010 (age 24), monthly flares for nearly a year. Luckily after every relapse I bounced back to normal with no lasting symptoms however the constant hospitalization wrecked havoc with my life. Copaxone and Avonex didn't work as well, JC negative so was put onto Tysabri 2 years ago without a single relapse. Back to pre-diagnosis feeling. Best medicine ever."