"qid" indicates a medication should be taken how many times a day?

The term "qid" is a medical abbreviation that stands for "quater in die," which is Latin for "four times a day." This indicates that a medication should be administered at four specific intervals throughout the day, helping to maintain steady levels of the medication in the bloodstream for optimal effectiveness. Understanding these abbreviations is crucial for medication administration, as dosage and timing can significantly affect a patient’s response to treatment.