Frequency
BIW
Twice weekly
What BIW stands for
BIW is a medical abbreviation for twice weekly. TermDecode files it under frequency abbreviations.
FrequencyFlagged high riskSourced
Risk
Can be mistaken for "twice daily"
Safer Alternative
Write "twice weekly"
Seen in context
BIW misread as BID (twice daily)
Sources
The risk description and safer alternative above are reproduced from these published lists.
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