Which abbreviation indicates that a medication should be taken four times a day?

The abbreviation that indicates that a medication should be taken four times a day is QID, which stands for "quater in die," a Latin phrase meaning "four times a day." This term is commonly used in prescriptions to instruct patients on the frequency of their medication dosing.

Understanding this abbreviation is important for pharmacy technicians, as accurate interpretation of medication instructions is crucial for patient safety and effective treatment. The other abbreviations signify different dosing schedules: TID refers to three times a day, BID indicates twice a day, and QD means once a day. Knowing these distinctions helps ensure that patients adhere to their prescribed regimens properly.