The physician writes an order for oxazepam for a 6-year-old child. The nurse verifies that there is no established dosage for children 6 to 12 years of age for oxazepam. The nurse knows that the usual adult dose is 10 mg tid
What would the nurse calculate the appropriate dose to be? A) 0.03 mg tid
B) 0.3 mg tid
C) 1.8 mg tid
D) 3.3 mg tid
D
Feedback:
Because the nurse knows only the child's age, the nurse would need to use Young's rule to determine the appropriate dosage. The formula for Young's rule is: Child's dose = child's age in years ÷ (child's age + 12) × average adult dose. Using the information provided in the question: Dose = 6 ÷ (6 + 12) × 10 mg = 6 ÷ 18 × 10 = 0.33 × 10 = 3.3.
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