List of medical abbreviations: Q
| Abbreviation | Meaning |
| q | each, every |
| q15 | every 15 minutes |
| q6h q6° | once every 6 hours |
| q2wk | once every 2 weeks |
| qAc | Before every meal |
| q.a.d. | every other day |
| QALY | quality-adjusted life year |
| q.AM | every day before noon |
| q.d. | every day |
| q.d.s. | four times each day |
| q.h. | each hour |
| q.h.s. | every bedtime |
| q.i.d. | four times each day |
| QIDS | Quick Inventory of Depressive Symptoms |
| q.l. | as much as you like |
| q.m.t. also qm | every month |
| q.n. | every night |
| QNS q.n.s. | quantity not sufficient |
| q.o.d. | every other day |
| QOF | Quality and Outcomes Framework |
| q.o.h. | every other hour |
| q.s. | as much as suffices |
| qt | quart |
| q.v. | which see ; as much as you please |
| q.wk. also qw | weekly |