Question

9. The recommended dose of Vancocin for a patient with Methicillin-resistant Staphylococcus aureus (MRSA) is 40 mg/kg/day. The individual weighs 246 lbs and is to receive the medication IV q6h (every 6 hours). a. How many mg can the individual receive per day? b. How many mg can the individua receive per dose? c. How many grams (g) can be given per week? (hint: 1g=1,000mg)

Answer #1

The recommended dose of vancomycin=40mg/kg/day

It means 1 kg need 40mg in a day

1 kg=2.2Ib

So 246Ibs=246/2.2=111.8kg

So total daily dose=111.8×40=4472mg/day

a) patient receive **4472** mg in a day

b) ordered frequency is q6h that means every 6th hourly or 4 times in a day.

So we can devide total dose in a day by 4

4472/4=1118mg

Individual recieve **1118mg** per dose.

c) 1week=7 days

Dose of gram in one day=1.11g/day(1g=1000mg)

Dose in grams in a week =1.11×7=7.77g/week

So total dose of vangomycin in a week is
**7.77g**

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