This is a list of medical acronyms and abbreviations.
0–9
A
B
C
D
E
F
G
H
I
K
L
M
N
O
P
Q
- Q - (Latin quaque) - each, every
- QD - (quaque in die) - each day
- QID - four times each day
- QOD - every other day
R
S
T
U
V
W
Z
Non-standard abbreviations
The following are considered dangerous, non-standard abbreviations because their meanings could be easily misunderstood.
The Latin origin of the abbreviations is given in italics.
- a.c. Before food, ante cibum.
- a.d. Right ear, auris dexter.
- ad. Freely as wanted, ad libitum.
- a.l. Left ear, aurix laevus.
- alt. die Every other day, alternus die.
- alt. h. Every other hour, alternus horis.
- a.m. Morning, ante meridiem.
- a.n. Before the night, ante noctum.
- aq. Water, aqua.
- a.s. Left ear, auris sinister.
- a.u. Each ear, auris utro.
- aurist. Ear drops, auristillae.
- b.d. Twice a day, bis die.
- b.i.d. Twice a day, bis in die.
- gtt. Drop, gutta.
- h. Hour hora.
- h.s. At bedtime, hora somni.
- i.d. during the day.
- i.d. the same, idem.
- I.D. Infectious Disease.
- i.d. intradermal, between the layers of the skin.
- mane In the morning, mane
- narist. Nasal drops, naristillae
- Nocte At night, nocte.
- o.c. Eye ointment, oculentum.
- o.d. Daily, omni die.
- o.d. Right eye, oculus dexter.
- o.l. Left eye, oculus laevus.
- o.m. In the morning, omni mane.
- o.n. At night, omni nocte.
- o.s. Left eye, oculus sinister.
- o.u. Each eye, oculus utro.
- p.c. After food, post cibum.
- p.m. Afternoon, post meridiem.
- p.o. Orally, per os.
- p.r. Rectally, per rectum.
- p.r.n. As occasion requires (as needed), pro re nata.
- p.v. Vaginally, per vaginum.
- q. every, quaque.
- q.2.h. Every two hours, quaque 2 hora.
- q.4.h. Every four hours, quaque 4 hora.
- q.6.h. Every six hours, quaque 6 hora.
- q.8.h. Every eight hours, quaque 8 hora.
- q.d. Every day, quaque die.
- q.d.s. Four times a day, quater die sumendus.
- q.h. Every hour, hourly. quaque hora.
- q.i.d. Four times a day, quater in die.
- q.q.h. Every four hours, quarta quaque hora.
- q.s. A sufficient quantity; quantum sufficiat.
- s.i.d. Once a day, semel in die.
- Sig. or S. Write on the label, signa.
- SL. Sublingual, under the tongue, sub linguam
- Stat. Immediately, with no delay, statim.
- t.d.s. Three times a day, ter die sumendus.
- t.i.d. Three times a day, ter in die.
- top. Topically, applied to the skin.
- ut dict. or u.d. As directed, ut dictum.
- ung. Ointment, unguentum.
See also
External links
Medical terms | Medical lists | Lists of abbreviations
Lista de acrónimos en Medicina | Abréviations en médecine | Lista de acrónimos en Medicina