What sub q stands for

sub q is a medical abbreviation for subcutaneous. TermDecode files it under route abbreviations.

RouteFlagged high riskSourced

Risk

ISMP lists sub q as error-prone: the q may be mistaken as "every".

Safer Alternative

Write "SUBQ" or "subcutaneous"

Seen in context

sub q misread as an every-frequency instruction

Sources

The risk description and safer alternative above are reproduced from these published lists.

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Other route abbreviations