What Does QD Mean?
CUE-dee
IPA: /ˌkjuːˈdiː/
CUE
dee
QD is pronounced CUE-dee
What does QD stand for?
QD stands for 'quaque die,' Latin for 'every day' or 'once daily.
How do you pronounce QD?
QD is pronounced "CUE-dee". Syllables: cue - dee.
When is QD used in medicine?
Once-daily dosing for statins, many antihypertensives, thyroid medications, and vitamins.
Word Parts & Etymology
Latinquaque dieevery day / once daily
Common Misconceptions
Easily confused with QID (four times daily) — a potentially dangerous mix-up. The Joint Commission flags QD as a 'do not use' abbreviation for this reason.
Clinical Context
Once-daily dosing for statins, many antihypertensives, thyroid medications, and vitamins.
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