Snapshot A 34-year-old woman is brought to the emergency department by her husband due to an altered mental status. The husband reports that his wife has schizophrenia, and she recently had a change in dosage to her antipsychotic medication. Her temperature is 103°F (39.4°C), labile blood pressure, pulse is 105/min, and respirations are 26/min. She appears profusely diaphoretic and has muscle rigidity in her extremities. In addition to supportive care, she is started on dantrolene. Introduction Mechanism of action login to view 3 more bullets Clinical use login to view 11 more bullets