Table 2.
Suggested Initial IV dose |
IV Maintenance dose | Side effects | EEG or lab considerations | |
---|---|---|---|---|
Fosphenytoin (phenytoin) |
≥ 20 mg/kg | 100 mg q8h |
Hypotension Cardiac |
Enzyme induction EKG |
Phenobarbital | ≥ 20 mg/kg | 30–60 mg q8h |
Hypotension Resp depression |
BS on EEG Enzyme induction |
Divalproex sodium | ≥ 20 mg/kg | 1 g q8h | Tremor |
Thrombocytopenia Protein binding |
Levetiracetam | 60 mg/kg | 1 g q8h | Agitation | Renal elimination |
Lacosamide | 200 mg | 200 mg q12h | Dizziness, cardiac | EKG—conduction block, arrhythmia |
Brivaracetam | 100 mg | 100 q12h | Mood | Renal elimination |
Midazolam | 0.2–0.5 mg/kg | 2–40 μg kg min | Intubation | Titrate to BS on EEG |
Pentobarbital | 5–15 mg/kg | 0.5–5 mg/kg/h | Intubation | Titrate to BS on EEG |
Propofol | 1–2 mg/kg bolus q 3 min up to 10 mg/kg | 1–15 mg/kg/h first, then up to 5 mg/kg/h | Intubation, propofol infusion syndrome | Titrate to BS on EEG; Avoid prolonged use |
Ketamine | 1–2.5 mg/kg | 3–10 mg/kg/h |
Intubation Psychosis Hypertension |
Use with BDZ for psychosis (BDZ beta on EEG) |