Difficulty: Hard

Average Score: 41%

Which of the following prescription instructions should be considered an abnormal dose?

Rationale

Zolpidem 10 mg: 1 tab PO q.a.m. is considered an abnormal dose.

Zolpidem is primarily indicated for short-term treatment of insomnia and is typically prescribed to be taken at bedtime. Administering it in the morning (q.a.m.) deviates from standard dosing guidelines, which could lead to inappropriate sedation during daytime activities.

A (Pantoprazole 40 mg: 1 tab PO daily) YOUR ANSWER

This dosing for Pantoprazole is standard for managing conditions like gastroesophageal reflux disease (GERD) and is commonly prescribed in this manner. A daily dose of 40 mg is within the therapeutic range for this proton pump inhibitor, making it a normal prescription.

B (Ciprofloxacin 500 mg: 1 tab PO b.i.d.) YOUR ANSWER

Ciprofloxacin is often prescribed at this dosage for various bacterial infections, with the b.i.d. (twice daily) instruction being a standard practice for achieving effective drug levels. This dosing regimen is consistent with established guidelines for antibiotic therapy.

C (Rosuvastatin 40 mg: 1 tab PO q.h.s.) YOUR ANSWER

Rosuvastatin is a statin used for cholesterol management, and a nightly dose of 40 mg is acceptable within recommended limits, particularly for patients requiring intensive lipid-lowering therapy. This dosing aligns with common clinical practices.

D (Zolpidem 10 mg: 1 tab PO q.a.m.) CORRECT

As mentioned, Zolpidem is intended for nighttime use to aid sleep, and taking it in the morning (q.a.m.) contradicts its purpose. This abnormal dosing could result in adverse effects, such as daytime drowsiness, making it inappropriate for the drug's intended use.

Conclusion

In summary, the abnormal dose identified in the question is Zolpidem 10 mg taken in the morning, which contradicts its intended nighttime use for treating insomnia. The other choices represent standard and acceptable dosing regimens for their respective medications, emphasizing the importance of adhering to proper administration guidelines to ensure patient safety and therapeutic efficacy.

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