A patient calls to request a refill for the following prescription: Amlodipine 10 mg tablets. Take one-half tablet by mouth twice a day. #30. Filled 16 days ago but patient is already out. It appears the patient was incorrectly taking:

Rationale

The patient was incorrectly taking 10 mg by mouth twice a day.

The prescription indicates taking half of a 10 mg tablet, which is 5 mg, twice a day. If the patient is out of medication after 16 days, they must have been taking the full dose of 10 mg twice daily, leading to an early depletion of their supply.

A (5 mg by mouth once daily.) YOUR ANSWER

This choice suggests the patient was taking a lower dose than prescribed. If the patient were taking 5 mg once daily, they would have consumed only 16 tablets over 16 days, which does not explain running out of medication. Thus, this option does not align with the patient's situation.

B (5 mg by mouth twice a day.) YOUR ANSWER

If the patient had been taking 5 mg twice a day, they would have consumed 30 mg over 15 days (15 tablets), which means they would still have at least one tablet left after 16 days. This choice contradicts the fact that the patient reports being out of medication.

C (10 mg by mouth once daily.) YOUR ANSWER

This option indicates the patient was taking 10 mg only once a day, which would total 10 tablets over 16 days. This would leave them with 20 tablets remaining, which also does not explain the early depletion of their supply, making this choice incorrect.

D (10 mg by mouth twice a day.) CORRECT

Selecting this choice indicates the patient took the full dosage of 10 mg twice daily, leading to a total consumption of 60 mg over 16 days. This usage results in running out of medication, consistent with the patient's report of being out of their prescription.

Conclusion

The patient's incorrect dosing was taking 10 mg twice a day instead of the prescribed half-tablet dosage. This highlights the importance of patient education on dosage and medication adherence, as misunderstanding the prescription can lead to premature depletion of medication supplies, potentially impacting health outcomes.

A patient calls to request a refill for the following prescription: Amlodipine 10 mg tablets. Take one-half tablet by mouth twice a day. #30. Filled 16 days ago but patient is already out. It appears the patient was incorrectly taking:

The patient was incorrectly taking 10 mg by mouth twice a day.

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