Worked example

Weight-based dose (mg/kg) - practice problem 6

A patient weighs 15 kg. The prescriber orders acetaminophen 15 mg/kg/dose.

Weight15 kg
Ordered15 mg/kg/dose
Safe max15 mg/kg/dose

How many mg is the dose?

Answer: 225 mg

Step-by-step solution

1. Multiply weight by the ordered mg/kg
15 kg × ( 15 mg ÷ 1 kg )
= 225 mg

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