QD
Once daily
What QD stands for
QD is a medical abbreviation for once daily - written out in full as “Quaque die (every day)”. TermDecode files it under frequency abbreviations.
Risk
Can be mistaken for "QID" (four times daily) or "QOD" (every other day)
Safer Alternative
Write "daily"
Seen in context
QD misread as QID resulting in 4x overdose
Sources
The risk description and safer alternative above are reproduced from these published lists.
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