Status epilepticus Adult Loading dose: 10-15 mg/kg slow IV. Max rate: 50 mg/min. Maintenance dose: 100 mg PO or IV every 6-8 hr.
Neonate & childn Loading dose: 15-20 mg/kg IV. Max rate: 1-3 mg/kg/min or 50 mg/min whichever is slower.
Neurosurgery Prophylactic dosage: 100-200 mg IM at approx 4 hr intervals during surgery & continued during postop period.