| Abbreviation |
Derivation |
Meaning |
| alt. dieb. |
alternis diebus |
on alternate days |
| aq. |
aqua |
water |
| bin |
bis in noctis |
two times a night |
| bis i. d. |
bis in diem |
twice a day |
| c. |
circa |
about, approximately |
| ca. |
circa |
about, approximately |
| comp |
compositus |
compound |
| cont. rem. |
continuantur remedia |
let the remedies be continued |
| d. |
da |
give, administer |
| de d. in d. |
de die in diem |
daily |
| dieb. alt. |
diebus alternis |
on alternate days |
| dil. |
dilue, dilutus |
dilute, dilutus |
| in p. aeq. |
dividiatur in partes aequales |
divide into equal parts |
| Dur. dolor. |
durante dolore |
while the pain lasts |
| FDA |
|
Food & Drug Administration |
| grad. |
gradatim |
gradually |
| gt |
gutta |
drops |
| h |
hora |
hour |
| hor. som. |
hora somni |
at bedtime |
| h.s. |
hora somni |
at bedtime |
| in d. |
in dies |
daily |
| m. |
misce |
mix |
| m. et n. |
mane et nocte |
morning and night |
| mg |
|
milligram |
| N.F. |
|
National Formulary |
| n.b. |
nota bene |
mark well |
| noct. maneq. |
noct maneque |
night and morning |
| NPO |
nulla per os |
nothing by mouth |
| o.d. |
omni die |
every day |
| oh |
omni hora |
every hour |
| ol |
oleum |
oil |
| om |
omni mane |
every morning |
| omn. hor. |
omni hora |
every hour |
| on |
omni nocte |
every night |
| os |
os |
mouth |
| oz. |
|
ounce |
| p.c. |
post cibum |
after meals |
| PDR |
|
Physicians Desk Reference |
| po |
per os |
by mouth |
| p.p.a. |
phiala prius agitata |
shake the bottle first |
| p.r.n. |
pro re nata |
as occasion arises |
| Q(q) |
quaque |
every |
| q.h. |
quaque hora |
every hour |
| q.l. |
quantum libet |
as much as desired |
| q.p. |
quantum placeat |
as much as you please |
| q.q.h. |
quaque quarta hora |
every four hours |
| qq. hor. |
quaque hora |
every hour |
| q.suff. |
quantum sufficit |
as much as suffices |
| q.s. |
quantum satis |
as much as suffices |
| quotid. |
quotidie |
daily |
| R/ |
recipe |
take |
| si op. sit |
si opus sit |
if necessary |
| solv. |
solve |
dissolve |
| st. |
stet, stent |
let it stand, let them stand |
| subq |
|
subcutaneous injection |
| sum. |
sume |
take |
| syr |
syrupus |
syrup |
| tab |
|
tablet |
| tal. |
talis |
such |
| ter i. d. |
ter in diem |
three times a day |
| ung |
ungentum |
ointment |
| U.S.P. |
|
United States Pharmacopeia |
| ut dict. |
ut dictum |
as directed |
