“…Several studies have indicated its effectiveness in the treatment of disorders such as dystonia, post stroke spasticity, and cerebral palsy to name a few [ 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 ]. The side effect profile of long-term botulinum toxin injections has been well documented, especially in individuals with dystonia and spasticity [ 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 ]. A retrospective longitudinal descriptive analysis by Ramirez-Castenada et al of 89 subjects with dystonia showed that the most common side effects were dysphagia, ptosis, and neck weakness which has been duplicated in several other studies [ 3 , 10 , 11 , 12 ].…”