What does the abbreviation "QID" indicate in terms of medication frequency?

The abbreviation "QID" stands for "quater in die," which is a Latin term meaning "four times a day." This indicates that a medication should be taken or administered four times throughout the day, typically at evenly spaced intervals. Understanding such abbreviations is crucial for medication management, ensuring that patients adhere to their prescribed regimens and achieve optimal therapeutic outcomes. Other common frequency abbreviations include "QD" for "once daily," "BID" for "twice daily," and "TID" for "three times daily," each serving to communicate specific dosing schedules clearly and efficiently.