The order reads lorazepam 05mg IM On hand you have a lorazep

The order reads lorazepam 0.5mg IM. On hand you have a lorazepam multidose vial with 5 mg/5 ml. How much will you give?

Solution

Amount of lorazepam = 0.5 mg IM

Multidose vial contains 5mg of lorazepam per 5 ml

1 ml contains 1 mg of lorazepam

Dosage required = 0.5 mg

Let the volume of lorazepam required be x ml

0.5/x = 1/1

Hence we should 0.5 mL of multidose vial to the patient