Medications Used in the Abortive Treatment of Ongoing Seizure Activity in the Emergency Department

INITIAL THERAPY
 - Diazepam - May repeat in 10 min; monitor respiratory status.
 - Lorazepam - Preferred IV benzodiazepine; may repeat in 10 min; monitor respiratory status.
 - Midazolam - Preferred IM benzodiazepine; may repeat in 10 min; monitor respiratory status.
SECOND-TIER TREATMENTS
 - Phenytoin - May cause hypotension and dysrhythmia; May give additional 5—10 mg/kg 10 minutes after the loading dose
 - Fosphenytoin - May give an additional 5 PE/kg 10 min after loading dose
 - Valproic acid - May give additional dose of 20 mg/kg 10 min after loading dose
 - Levetiracetam - Efficacy and safety data come from small studies.
THIRD-TIER TREATMENTS
 - Pentobarbital - Titrate to EEG; intubation and hemodynamic support required
 - Phenobarbital - Intubation required; may give additional 5-10 mg/kg 10 min after loading dose
 - Midazolam - Titrate to EEG; monitor respiratory status
 - Propofol Infusion - Intubation required; use with caution in doses >4.8 mg/kg/hr

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