How do you treat paroxysmal phenomena such as paroxysmal dysarthria or dyskinesia in multiple sclerosis?

Paroxysmal dyskinesia/dystonia and dysarthria can develop in patients with MS and there is a variety of ways this is managed. There are reports that this can improve with steroids however, I typically manage paroxysmal symptoms similarly to how I manage tonic spasm and Llhermitte's. I typically use ...