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The recommended dosage of erythromycin suspension is 20 mg/kg/day in four equally divided doses. The child weighs 44 lb. How many milligrams are needed for each individual dose

Sagot :

Answer: 100 mg/dose

Explanation:
1) you need to convert lb to kg. There are 2.2lb in each kilogram. Your conversion equation would then be 44(childs stated weight) divided by 2.2
(44/2.2)= 20 kg. So now you have that the child weighs 20kg

2) you need to determine how much mg the child will receive TOTAL in a day.
So you would do 20mg x 20kg (weight). This equals 400mg/day

3) Now that you have the total dosages in a day, the problem states that that dose needs to be divided into 4 different dosages, so you would take the total 400mg and divide by 4 (400/4). Which comes out to 100mg/dose
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