Problem
An infant weighing 11 lbs. is ordered erythromycin ethylsuccinate 62.5 mg by mouth every 6 hours. The recommended safe dosage is 30 to 50 mg/kg/day in divided doses. Available is erythromycin ethylsuccinate 200 mg/5 mL supplied in bottles of 100 mL. How many mL(s) will the nurse administer per dose?