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Rx Abbreviations
Commonly used abbreviations in prescriptions
Abbreviation | Meaning |
---|---|
aa | of each |
ac | before meals |
ad lib | as desired at liberty |
AM | morning |
amp | ampule |
aq | water |
bid | twice a day |
c̅ | with |
cap | capsule(s) |
cm | centimeter(s) |
d | daily or day |
DAW | dispense as written (no generic) |
DC | discontinue |
DEA | Drug Enforcement Administration |
disp | dispense |
dx | diagnosis |
elix | elixir |
eq | equivalent |
FDA | Food and Drug Administration |
gen | generic |
gr | grain(s) |
gtt | drop(s) |
hr | hour(s) |
ID | intradermal(ly) |
IM | intramuscular(ly) |
inj | injection |
IV | intravenous(ly) |
kg | kilogram(s) |
L | liter(s) |
liq | liquid(s) |
lot | lotion |
mcg | microgram(s) |
MDI | metered dose inhaler |
mg | milligram(s) |
min | minute(s) |
mist | mix |
mL | milliliter(s) |
mm | millimeter(s) |
neb | nebulizer |
noct | night |
NPO | nothing by mouth |
nr | no refills |
od | right eye |
os | left eye |
OTC | over the counter |
ou | both eyes |
oz | ounce(s) |
pc | after meals |
PDR | Physician’s Desk Reference |
per | by means of or through |
PM | evening or nighttime |
po | by mouth |
pr | rectally |
q | every |
q2h | every two hours |
q4h | every four hours |
qam | every morning |
qd | every day |
qhs | before sleep |
qid | four times a day |
rf | refill(s) |
s (with overbar) | without |
S or Sig | signature |
SL | sublingually |
subcut | subcutaneous |
stat | immediately |
sup | suppository |
sx | symptoms |
syr | syrup |
tab | tablet |
Tbsp | tablespoon |
tid | three times a day |
tiw | three times a week |
tsp | teaspoon |
tx | treatment |
ud or utd | as directed |
ung | ointment |
vag | vaginally |
VO | verbal order |
X | times |
YO | years old |
rx | prescription |