Which of the following abbreviations is specific for "twice daily" dosing?

The abbreviation for "twice daily" dosing is "bid," which stands for "bis in die" in Latin, meaning two times a day. In a clinical context, this abbreviation is used to indicate that a medication should be administered two times throughout a 24-hour period, typically spaced approximately 12 hours apart. This is significant because it helps ensure that the therapeutic effects of the medication are maintained over a specified timeframe.

Other common abbreviations include "tid," which means three times a day; "qod," which stands for "every other day"; and "hs," which indicates "at bedtime." Each of these terms refers to different dosing schedules, making it crucial for pharmacy technicians and healthcare providers to use the correct abbreviation to avoid medication errors and ensure proper patient care.