Task Specific Focal Dystonia (Writer’s Cramp): An Unusual Adverse Effects of Aripiprazole

Writer’s cramp is the most commonly identified tasks specific focal dystonia of writing, characterized by abnormal muscle spasm of hand and arm. In my case a 20(twenty) years unmarried male from urban part of Tripura, India was presented with history of difficulty to write because of a stiffening of his right hand and also he was noticed that prolonged period of writing caused cramping pain of his right hand. He was diagnosed a case of paranoid schizophrenia (F20.0) as per ICD-10 for last three years and was on tablet Aripiprazole. Diagnosis of writer’s cramp was made which developed after six months of treatment with Aripiprazole 15 mg.