What action is required for a prescription specified for 34 days?

The correct choice reflects the regulation concerning prescription fills and the adherence to the specified duration of therapy. When a prescription indicates a specific number of days, such as 34 days, it is critical to follow that specified duration to ensure patient safety and therapeutic effectiveness.

This limit on the prescription is likely in place to manage the quantity of medication the patient receives and to ensure appropriate monitoring and follow-up for the treatment. By adhering strictly to the prescribed 34 days, healthcare practitioners can facilitate better management of the patient's condition, prevent over-medication, and ensure that the patient returns for necessary evaluations or adjustments to their treatment plan.

In the context of the other choices, filling for a maximum of 60 days or allowing refills "as needed" would violate the stipulation of the prescription, potentially leading to issues such as medication misuse or noncompliance. Similarly, filling for up to 90 days would exceed the specified amount and could also lead to complications in treatment management. Thus, the requirement to adhere to the 34-day limit is essential for appropriate pharmaceutical care.