The prescription for a 4-month-old is penicillin G 150,000 units intramuscularly bid.The drug is supplied as a unit dose of 600,000 units in a 5-mL vial.The nurse should give the dose as _____ mL.

Question

Quizplus · Accepted Answer

$\frac{600.000 \mathrm{~mL}}{5 \mathrm{~mL} \times 150.000}$=1.25 mL
This dose would have to be given in divided doses as only 0.5 to 1 mL should be injected in one site on an infant.

The Prescription for a 4-Month-Old Is Penicillin G 150,000 Units