Cyclophosphamide (Cytoxan and reg) 4 mgkg per day po has been ordered. The patient weighs 154 lbs. How many milligrams should be given each day?

To calculate the daily dose of cyclophosphamide, first convert the patient's weight from pounds to kilograms. The patient weighs 154 lbs, which is approximately 70 kg (154 lbs ÷ 2.2 lbs/kg). Then, multiply the weight in kg by the dose in mg/kg: 70 kg × 4 mg/kg = 280 mg. Therefore, the patient should be given 280 mg of cyclophosphamide each day.