BID stands for which frequency?

BID stands for which frequency?

• A. Once a Day
• B. Twice a Day (Bi=2)
• C. Three Times a Day
• D. Four Times a Day

Answer: (B)

Understanding medication frequency: BID stands for bis in die, Latin for “twice in a day.” It means the dose should be given two times within each 24-hour period, usually about 12 hours apart. This is different from once daily, three times daily, or four times daily, which are not what BID specifies. A common way to apply it is dosing in the morning and evening. If timing is ever unclear, confirm with a nurse or pharmacist to ensure safety.

Understanding medication frequency: BID stands for bis in die, Latin for “twice in a day.” It means the dose should be given two times within each 24-hour period, usually about 12 hours apart. This is different from once daily, three times daily, or four times daily, which are not what BID specifies. A common way to apply it is dosing in the morning and evening. If timing is ever unclear, confirm with a nurse or pharmacist to ensure safety.