What ss stands for
ss is a medical abbreviation for one-half - written out in full as “Semis (one-half)”. TermDecode files it under dosage abbreviations.
DosageFlagged high risk
Risk
Can be mistaken for "55"
Safer Alternative
Write "one-half" or "1/2"
Seen in context
ss misread as 55
Source Note
This item is retained as a historical/local safety warning and is not verified as an exact current ISMP 2024 PDF or Joint Commission minimum-list token.
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Other dosage abbreviations
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