What does the abbreviation "QID" mean?

The abbreviation "QID" stands for "quater in die," which is Latin for "four times a day." This term is commonly used in medical prescriptions to indicate that a medication should be taken at four different intervals over the course of the day, effectively spreading out the doses to maintain therapeutic levels in the body. Understanding this abbreviation is essential for nurses and healthcare professionals when administering medications to ensure proper dosing schedules and maximize medication efficacy.

Other choices are variations of frequency that do not align with the definition of "QID," making them irrelevant to the context of this abbreviation.