BID

BID (an abbreviation for bis in die which in Latin means, "twice a day") is a medical term used for dosing frequency of medication. It is one of the many abbreviations used by healthcare professionals to denote the frequency with which medicines should be taken.

Etymology

The term BID is derived from the Latin phrase bis in die which translates to "twice a day". This is part of a series of Latin abbreviations that are used in the medical field to provide instructions on the frequency of medication intake. Other related terms include QD (quaque die, once a day), TID (ter in die, three times a day), and QID (quater in die, four times a day).

Usage

BID is commonly used in medical prescriptions to indicate that a medication should be taken twice daily. It is typically written before or after the name of the drug prescribed. For example, a prescription might read "Amoxicillin 500 mg BID" which means the patient should take 500 milligrams of Amoxicillin twice a day.

It's important to note that while BID is a widely recognized abbreviation, the Institute for Safe Medication Practices recommends the use of complete time-frequency terms in prescriptions to avoid confusion and prevent medication errors.

Related Terms

• QD - quaque die, once a day
• TID - ter in die, three times a day
• QID - quater in die, four times a day
• PRN - pro re nata, as needed
• QHS - quaque hora somni, every bedtime

See Also

• Medical prescription abbreviations
• List of abbreviations used in medical prescriptions
• Institute for Safe Medication Practices

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