U
Unit
What U stands for
U is a medical abbreviation for unit. TermDecode files it under dosage abbreviations.
Risk
Can be mistaken for "0" (zero), "4" (four), or "cc" leading to 10-fold or greater overdose
Safer Alternative
Write "unit"
Seen in context
10 U insulin misread as 100 units
Sources
The risk description and safer alternative above are reproduced from these published lists.
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Other dosage abbreviations
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