Question

Need help with three questions, thank you!

1. Amoxicillin 125 mg/kg/day IV BID id ordered for respiratory infection. You have Amoxicillin 125mg/5mL. The child’s weight is 1180 g.

a.      How many mg per dose will the child receive?        __________

b.     How many mg per day will the child receive? _________

c.     How many mL per dose will you draw from the vial? ________

2. The MD has ordered 210 mg of acetaminophen q4–6 h for pain and fever for

a postoperative child. The child weighs 39 lb. The recommended dose range for

acetaminophen is 10 to 15 mg/kg/dose q4–6 h. Acetaminophen is supplied as 160 mg/5 mL.

a. Is the ordered dose safe to administer? Calculate mg/kg/dose for this patient.

b. If the dose ordered is safe to administer, how many milliliters will be needed to administer to the patient?

3. An infant is admitted to the hospital to rule out sepsis. The infant weighs 8 lb.

Ampicillin is prescribed. The recommended dosage is 200 - 400 mg/kg/24 h.

Calculate the 24-hour dosage range for this infant with a possible severe infection.

Answer 1

1. ANS:

a. The child receive will receive 73.8 mg/dose   

b. The child receive will receive 147.5 mg/day   

c. The child receive will receive 3 mL per dose.

2. ANS:

39lbs = 17.7kg

210mg/dose = 11.86 or 11.9mg/kg/dose

17.7kg

10mg X 17.7kg = 177mg/dose

15mg X 17.7mg = 265.5mg/dose

Yes, dose is safe

3. ANS:

8lbs = 3.6kg

Recommended Ampicillin for severe infection

200mg-400mg/kg/day

200mg X 3.6kg/day = 720mg/day

400mg X 3.6kg/day = 1440mg/day