A Primary Writing Tremor Is a Form of Dystonic Tremor: Is the Debate Settled?

Botulinum toxin for the treatment of tremor

“…Primary writing tremor (PWT) is a task-specific tremor that shares neurophysiological findings of dystonic tremor but its clinical features such as frequency range, response to propranolol and alcohol, suggests that it is a task-specific type of essential tremor [37,38]. There are few case studies or case series, where BoNT has been very effective in controlling hand tremor at small doses in a limited number of muscles [11,39,40].…”