What does QD stand for in medication dosages?

The abbreviation "QD" stands for "quaque die," which is a Latin term meaning "once a day" or "every day." In the context of medication dosages, it indicates that a medication should be administered daily, which is crucial for maintaining consistent therapeutic levels in the bloodstream. This understanding is essential for medication aides, as it ensures the proper timing of medication administration to support patient health and prevent potential complications related to missed doses.

The other options refer to different dosing schedules that do not align with the meaning of "QD." For instance, "every week," "every night," and "every two days" specify different intervals for medication administration that would not effectively convey the daily requirement outlined by the term QD. Understanding these terms and their implications is vital in providing safe and effective medication management.