In: Nursing
A child weighs 95 lbs and has an order for IV tobramycin. The order is for 3mg/kg/day in three divided doses. How many milligrams of medication should be administered per dose?
Child weight in pound is 95Ibs
step 1
Child weight is calculated from pound to kg 95/2.2= 43 kg
Child weight in kg is 43 kg
Child needs 3mg of tobramycin /kg/day
Tobramycin is available 40mg/1ml, and 80mg/2ml
step2
3mg of tobramycin× 43/ day = 129mg/day
step3
129mg/ 3 divided dose= 43mg/ dose TID (THRICE A DAY)
step 4
Desired dose
-----------------------------------× 1ml
Available
43mg
---------------------× 2ml =1.075 ml
80mg
answer is =1.07 ML (43 mg/dose to be administered)