A pharmacy technician receives a prescription for guaifenesin DM 1 tsp PO q.i.d. x 10 days. The technician prints a label that reads: Guaifenesin Take 10 mL by mouth two times a day for 10 days. What is the total number of errors this label contains?

Rationale

3

The original prescription is guaifenesin DM 1 tsp PO q.i.d. x 10 days, which translates to 5 mL (1 teaspoon) by mouth four times daily for 10 days. The printed label contains multiple discrepancies when compared to the original prescription.

A (1) YOUR ANSWER

This is incorrect. There is more than one error present on the label when compared to the prescription.

B (2) CORRECT

This is incorrect. At least three distinct errors can be identified.

C (3) YOUR ANSWER

This is correct. The three errors are:

Missing “DM”: The label says “guaifenesin” instead of guaifenesin DM (wrong drug formulation).

Incorrect dose: The prescription states 1 tsp (5 mL), but the label says 10 mL.

Incorrect frequency: The prescription says q.i.d. (four times daily), but the label says two times a day.

D (4) YOUR ANSWER

This is incorrect. There are only three clear errors; the duration (10 days) is correctly transcribed.

Conclusion

Accurate transcription is critical to patient safety. This label contains three errors—drug formulation, dose, and frequency—which could significantly impact therapy if not corrected.

A pharmacy technician receives a prescription for guaifenesin DM 1 tsp PO q.i.d. x 10 days. The technician prints a label that reads: Guaifenesin Take 10 mL by mouth two times a day for 10 days. What is the total number of errors this label contains?

3

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