- Time of Day
- Frequency of Administration
- Route of Administration
- Dosage Forms
- Dosage Size
- Diagnosis
- Miscellaneous Other Abbreviations
Time of Day
Abbreviation | Meaning |
a.c. | Before Meals |
p.c. | After Meals |
c.f. | With Food |
a.m. | Morning |
p.m. | Afternoon |
h.s. | Bedtime |
Frequency of Administration
Abbreviation | Meaning |
d OR q.d. | Daily |
b.i.d. | Twice Daily |
t.i.d. | three times daily |
q.i.d. | four times daily |
p.i.d. | five times daily |
q | every |
q.o.d. | Every other day |
q_h OR q_ | every _ hours |
p.r.n. | as needed |
q.w. | once weekly |
b.i.w. | twice weekly |
t.i.w. | three times a week |
q.m. | once a month |
stat | immediately |
Route of Administration
Abbreviation | Meaning |
p.o. | By mouth, orally |
p.r. | per rectum, rectally |
a.s. | in left ear |
a.d. | in right ear |
a.u. | in both ears |
o.s. | in left eye |
o.d. | in right eye |
o.u. | in each eye |
ap | apply |
afa | affected area(s) |
bil | bilateral, both |
sl | sublingual |
I.M. | intramuscular |
SC OR SQ OR subq | subcutaneously |
IV | Intravenous |
IVP | Intravenous push |
Dosage Form
Abbreviation | Meaning |
tab | tablet |
cap | capsule |
sol OR soln OR sln | solution |
spn OR spsn OR sus | suspension |
crm | cream |
oint OR ung | ointment |
o/o | ophthalmic ointment |
gtt | drops |
supp | suppository |
elx OR elix | elixir |
ODT | orally disintigrating tablet |
lot | lotion |
sp OR spy | spray |
EC | enteric coated |
DR | delayed release |
ER OR XL OR XR | Extended Release |
SR | sustained release |
CR | Controlled Release |
Dosage Size
Abbreviation | Meaning |
tsp | teaspoonful |
cc | cubic centimeter |
mL | milliliter |
tbs OR tbsp | tablespoon |
mg | milligram |
mEq | millequivalent |
IU | international units |
ss | one half tablet |
gr. | grain |
oz. | ounce |
fl.oz. | fluid ounce |
g OR gm | grams |
μcg OR mcg | micrograms |
Diagnosis
Abbreviation | Meaning |
HTN | hypertension |
HBP | high blood pressure |
UTI | urinary tract infection |
URI | Upper-Respiratory Infection |
HA | Headache |
PA | Pain |
BTP | Break-through pain |
n&v | Nausea and Vomitting |
SOB | Shortness of Breath |
CHF | Congestive Heart Failure |
COPD | Chronic Obstructive Pulmonary Disease |
Miscellaneous Other Abbreviations
Abbreviation | Meaning |
u.d. | as directed |
APAP | acetaminophen |
ASA | aspirin |
NSAID | Non-steroidal anti-inflammatory drug |
PCN | Penicillin |
NTG | nitroglycerin |
NS | Normal Saline |
D_W | dextrose _% in water |
MSIR | Morphine Sulfate Immediate Release |
MOM | Milk of Magnesia |
PEG | polyethylene glycol |
q.s. | quantity sufficient |
u.d. | Unit dose |
uou | unit of use |
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