A clinic nurse is caring for a 66-pound child who has acute otitis media. The physician has ordered ceftibuten (Cedax) 9 mg/kg per day PO for 10 days. The drug comes in an oral suspension of 90 mg/5 mL. How many mL will the nurse administer?
A) 5 mL
B) 10 mL
C) 15 mL
D) 20 mL
C
Feedback:
First, using the formula: 2.2 lb/1 kg = 66 lb/X kg, determine the child's weight in kg (66/2.2 = 30 kg). Next, determine the desired dose by using the formula: amount of prescribed drug times weight in kg (9 mg/kg times 30 kg = 270 mg). To determine the volume of medication to administer, use the formula: amount of drug available/volume available = amount of drug prescribed/volume to administer (90 mg/5 mL = 270 mg/X mL, 90mg/(X) = 1,350 mg/mL, X = 15 mL).
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