Levetiracetam:

Vials must be diluted prior to use.

dilute dose to maximum final concentration of 15 mg/mL.

Infuse over 15 minutes; in status epilepticus a rate of 2 to 5 mg/kg/minute has been recommended (NCS [Brophy 2012]).

in patients ≥1 year of age, a 50 mg/mL solution was used for doses up to 60 mg/kg (up to 4,500 mg) and were infused over 10 minutes (Kapur 2019).