I am scared to death right now awaiting MRI results. Can you have optic neuritis with FMS and not have MS? 8 years with FMS and managing it fairly well.. although it took years to build myself back up to a normal life and now this? Also- the MRI has set my nervous system off into an explosion.. or so it seems since the symptoms started the afternoon after the MRI. Have barely been able to sleep since the MRI.. my nervous system and arms legs..everything is twitching. I didn't notice this before the MRI... anyone reacted this way to an MRI? Please advise. I'm scared.