Dystonias are sustained involuntary muscle contractions of antagonistic muscle groups in the same part of the body that lead to abnormal postures or jerky, twisted, intermittent spasms that may have similarities with tremors, athetosis or choreo. Dystonia may be primary or secondary, generalized, focal or segmental. The diagnosis is made clinically. Botulinum toxin injections used for the treatment of focal or segmental dystonias. The treatment of severe generalized dystonia may…

September 3, 2018