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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