A nurse is preparing to administer an oral syrup containing 100 mg/5 mL. The prescription is for 250 mg. How many mL should be administered?

Identify the ordered dose and available concentration Ordered Dose: 250 mg Available Concentration: 100 mg/5 mL Calculate the volume to administer Volume to administer = (Ordered Dose ÷ Concentration) × Volume of Concentration Volume to administer = (250 ÷ 100) × 5 Volume to administer = 2.5 × 5 = 12.5 mL