I have been on lots of muscle relaxants as I have REALLY bad Myoclonic spasms in my left leg which is where I have the RSD! My Pain Management Doctor and Neurologist both feel that the Myoclonic Spasms are a complication of the RSD and they have tried everything to get them under control and nothing has worked so far. The Intense Physical Therapy Program calmed the spasms down quite a lot however they are gradually returning at the moment unfortunately!!

The muscle relaxants that I have been on so far are:

Baclofen - I was put on this when I was first diagnosed with RSD - at that point I only had spasms in my toes. The Baclofen didn't work at all and my PT's felt it made me too floppy in the areas that didn't need to go floppy - I couldn't sit up etc.

Diazepam - I was put on this when I developed the Myoclonic Spasms and it didn't help at all and made me feel really sick!!

Kenadrin - This didn't work and made my pupils really dialated!

Propranolol - This didn't work and affected my Blood Pressure a lot (Propranolol is often used for people with High BP to try and lower it).

There are lots of others that I have been on also but I can't remember the names, sorry (RSD memory!)!!

Here's a link to the video on Youtube of my Myoclonic spasms in my leg:

http://www.youtube.com/watch?v=xIXakErNBpE
http://www.youtube.com/watch?v=qE_OwuilOew

I really hope you find something to help you soon as I know how awful the spasms can be! Just keep in mind though that everyone is different and what works for one person, might not work for another ... no two people are the same unfortunately when it comes to dealing with this illness!!

Take care and please keep us all updated when you can!