What U stands for

U is a medical abbreviation for unit. TermDecode files it under dosage abbreviations.

DosageFlagged high riskSourced

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