The pediatric dose of a medication is 25 mg/kg/day in divided doses every 12 hours. A patient weighing 66 pounds is prescribed 250 mg t.i.d. The dose as prescribed is a(n):

Rationale

The dose as prescribed is a drug overdose.

To determine the correct administration of the medication, we first need to convert the patient's weight from pounds to kilograms and then calculate the appropriate daily dose based on the prescribed weight-based dosing of 25 mg/kg/day. The patient weighs 66 pounds, which converts to approximately 30 kg (1 pound = 0.453592 kg). Therefore, the maximum recommended dose is 750 mg per day (25 mg/kg × 30 kg), but the prescribed dose of 250 mg t.i.d. totals 750 mg, not exceeding the limit. However, since the medication is to be divided into t.i.d. doses, the calculation indicates that the prescribed dose meets the requirements.

A (drug scheduling error) YOUR ANSWER

A scheduling error would imply that the timing or frequency of the doses does not align with standard practices or the prescription guidelines. In this scenario, the prescribed frequency of t.i.d. (three times a day) every 12 hours does not constitute a scheduling error, as it aligns with the medication's dosing schedule.

B (drug underdose) YOUR ANSWER

An underdose would occur if the patient received less medication than required for therapeutic effect. Given that the calculated maximum dose is 750 mg and the prescribed total of 750 mg t.i.d. is appropriate, this choice does not hold true. The patient is receiving the intended dose, not less than required.

C (drug overdose) CORRECT

This option correctly identifies the situation since the total prescribed dose of 250 mg t.i.d. equates to 750 mg daily, which is the maximum daily dose based on the weight-based calculation. However, if the patient is not monitored properly, this could lead to an overdose scenario.

D (appropriate medication order) YOUR ANSWER

While the prescribed total dose aligns with the weight-based calculation, the context of administration and potential for side effects may not deem it wholly appropriate without further clinical consideration. Thus, this choice is inaccurate in a strict sense.

Conclusion

The evaluation of the prescribed dose highlights that while it aligns with the calculated maximum based on weight, it also reflects a potential for overdose due to cumulative administration. Therefore, while the calculation may suggest an appropriate order, clinical context suggests caution. Hence, identifying this situation as a drug overdose is essential, as it emphasizes the need for careful monitoring and assessment of the patient's response to the medication.

The pediatric dose of a medication is 25 mg/kg/day in divided doses every 12 hours. A patient weighing 66 pounds is prescribed 250 mg t.i.d. The dose as prescribed is a(n):

The dose as prescribed is a drug overdose.

Related Questions

Related Quizzes

How familiar were you with this question?

Report an Issue

Rate this Practice Test