<prompt> Which of the following is not a symptom of neuroleptic malignant syndrome?Autonomic dysregulationHypothermiaMuscle rigidityCatatonia and stupor  <response>: Hypothermia is not a feature of neuroleptic malignant syndrome, hypehermia is seen in NMS. Neuroleptic malignant syndrome is a fatal side effect of antipsychotic use. It is characterized by 1. muscle rigidity, 2. Fever 3. increased CPK creatine phosphokinase levels. Other symptoms include diaphoresis, tremors, confusion, autonomic disturbances, liver enzyme elevation and leukocytosis Treatment: 1. Withdrawal of antipsychotic and adequate hydration 2. DOC-Dantrolene 