BID is an abbreviation used to indicate dosing frequency. What does it stand for?

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Multiple Choice

BID is an abbreviation used to indicate dosing frequency. What does it stand for?

Explanation:
BID means twice daily. It comes from the Latin bis in die, indicating a dosing frequency of about every 12 hours. In practice, many clinicians schedule it for roughly morning and evening doses (for example, 8 am and 8 pm) to maintain drug levels. This differs from other common terms: three times daily would be TID, once daily is QD, and as needed is PRN. So BID correctly indicates taking the medication two times in a 24-hour period.

BID means twice daily. It comes from the Latin bis in die, indicating a dosing frequency of about every 12 hours. In practice, many clinicians schedule it for roughly morning and evening doses (for example, 8 am and 8 pm) to maintain drug levels. This differs from other common terms: three times daily would be TID, once daily is QD, and as needed is PRN. So BID correctly indicates taking the medication two times in a 24-hour period.

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