What does the abbreviation "BID" stand for in medical terms?

The abbreviation "BID" in medical terminology stands for "Twice a day." This term is commonly used in prescriptions and medical orders to indicate that a medication should be taken two times within a 24-hour period. The Latin phrase it derives from is "bis in die," which translates directly to "twice a day." This clear instruction is crucial for ensuring proper medication adherence and optimizing treatment effectiveness for patients. Understanding these abbreviations is essential for healthcare professionals to communicate accurately about treatment regimens.