A nurse is preparing to administer vancomycin 15 mg/kg/day divided equally every 12 hr. The client weighs 198 lb. How many mg should the nurse administer with each dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

To calculate the correct dosage: Convert the client’s weight from pounds to kilograms: 198 lb÷2.2=90 kg Calculate the total daily dosage: 15 mg/kg/day×90 kg=1350 mg/day Since the dosage is divided equally every 12 hours, divide the total daily dosage by 2: 1350 mg/day÷2=675 mg/dose