I've been in hospital for 4 days now following two weeks of gradual escalation of symptoms. I ended up completely losing power in both legs, unable to walk a few meters with an aid, double vision and fatigue. An emergency MRI showed no new activity and it's still clinical stable which I'm really happy about. But I don't understand whats made this such a severe relapse of symptoms. I've been in remission following completion of Mavenclad (it worked great for me). Has anyone else been totally floored by a pseudo-relapse even though clinically there are no changes?