What hs stands for

hs is a medical abbreviation for at bedtime - written out in full as “Hora somni (at bedtime)”. TermDecode files it under frequency abbreviations.

FrequencyFlagged high risk

Risk

Can be mistaken for "half-strength"

Safer Alternative

Write "at bedtime"

Seen in context

hs misread as half-strength

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 frequency abbreviations