Kanamycin Pediatric Dosage Calculation

MedicinePediatric Dosage CalculationMedium

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1. The recommended dosage of kanamycin is $15\text{ mg/kg/day}$ $q8h$. The child weighs $25\text{ kg}$. The amount for one dose is _________

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Step 1

Hello! Let's calculate the single dose amount for this pediatric medication. First, we need to carefully identify the information given in the problem.

Pediatric Dosage Calculation

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Step 2

We are told the recommended dosage is fifteen milligrams per kilogram per day. The child's weight is twenty five kilograms. And finally, the frequency is every eight hours.


Given Information:

- Recommended Dosage: $15\text{ mg/kg/day}$

- Weight: $25\text{ kg}$

- Frequency: $q8h$ (Every 8 hours)

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Step 3

Our first step is to calculate the total daily dose. This is the total amount of medication the child should receive in a twenty four hour period.

Step 1: Total Daily Dose

$$\text{Total Daily Dose} = \text{Dosage} \times \text{Weight}$$
$$\text{Total Daily Dose} = 15\text{ mg/kg/day} \times 25\text{ kg}$$
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Step 4

Now, let's perform the multiplication. Fifteen times twenty five equals three hundred and seventy five.

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Step 5

So, the child requires three hundred and seventy five milligrams every day.

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Step 6

Next, we need to determine the amount for one individual dose. To do this, we need to know how many doses are given per day.

Step 2: Doses per Day

$$q8h = \text{Every 8 hours}$$
$$\text{Doses per day} = \frac{24\text{ hours}}{8\text{ hours}}$$

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About This Question

Subject
Medicine
Topic
Pediatric Dosage Calculation
Difficulty
Medium
Question Type
Open Ended

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