<prompt> Vasanthi 45 years, was brought to casualty with abnormal movements which included persistent deviation of neck to right side one day before she was prescribed 1laloperidol 5 mg three times daily from the psychiatry OPD. She also had an altercation with her husband recently. Which of the following is the most likely cause for her symptoms-Acute drug dystoniaConversion reactionAcute psychosisCerebrovascular accident  <response>: Persistent deviation of the neck Torticollis after one day of taking haloperidol is a feature of acute muscular dystonia acute drug dystonia. 