Question

Order: levetiracetam (Keppra), PO, 20 mg/kg/day, divided b.i.d. Available: Keppra 100 mg/mL Patient weight: 20 kg How many mL will the patient receive per dose?

Answer 1

Formula to use:

D (Desired dose)

                                          -------------------------- X Vehicle (Tablet/Liquid)

H (Available dose)

20 mg

             -------------------------- X 1 ml

100 mg

The patient needs to receive 0.2 ml per day.

The patient needs to receive 0.1 ml per dose.