The authors reported herein six cases with unusual clinical features of NMS. Four of them had been
on antipsychotic for a year before becoming anorexic, dehydrated, agitated, and violent with paranoid
delusion. One instance with underlying delirium tremens developed NMS after receiving haloperidol (30mg
IV) in addition to diazepam (200mg IV) within 24 hours. Another patient was found to suffer from severe NMS
after receiving bupropion (Dopamine inhibitor antidepressant) 300 mg. /day. All patients displayed cardinal
signs and symptoms of NMS in addition to dehydration and pallor. They were treated in the psychiatric ward
and recovered rapidly from NMS after receiving clonazepam and bromocriptine and removal of the offending
agents.