List of medical abbreviations: Q

Abbreviation Meaning
q each, every (from Latin quaque)
q15 every 15 minute

q8h every 8 hours

q2wk once every 2 weeks
q6h
q6°
once every 6 hours
qAc Before every meal (from Latin quaque ante cibum)
q.a.d. every other day (from Latin quaque altera die)
QALY quality-adjusted life year
q.AM every day before noon (from Latin quaque die ante meridiem)
q.d. every day (from Latin quaque die)
q.d.s. four times each day (from Latin quater die sumendus)
q.h. each hour (from Latin quaque hora)
q.h.s. every bedtime (from Latin quaque hora somni)
q.i.d. four times each day (from Latin quater in die)
(not deprecated, but consider using "four times a day" instead. See the do-not-use list)
QIDS Quick Inventory of Depressive Symptoms
q.l. as much as you like (from Latin quantum libet)
q.m.t. also qm every month
q.n. every night
QNS
q.n.s.
quantity not sufficient
q.o.d. every other day (from Latin quaque altera die)
(deprecated; use "every other day" instead. See the do-not-use list)
QOF Quality and Outcomes Framework (system for payment of GPs in the UK National Health Service)
q.o.h. every other hour
q.s. as much as suffices (from Latin quantum satis or quantum sufficit)
qt quart
q.v. which see (from Latin quod vide);
as much as you please (from Latin quantum vis)
q.wk. also qw weekly (once a week)