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Rx Abbreviations & Conversion Factors

1 ml = ? cc 1 ml = 1 cc (ml and cc mean the same thing)
1 ml = ? drops (on average) 1 ml = about 20 drops on average
1 t = ? ml 1 t = 5 ml
1 T = ? t 1 T = 3 t
1T = ? ml 1 T = 15 ml
1 oz = ? ml 1 oz = 30 ml
1 kg = ? lb 1 kg = 2.2 lb
1 L = ? ml 1 L = 1000 ml
1 g = ? mg 1 g = 1000 mg
1 mg = ? mcg 1 mg = 1000 mcg
5 grain = ? mg 5 grain = about 325 mg
10 grain = ? mg 10 grain = about 650 mg
1 T = ? oz 1 T = 0.5 oz
1 kg = ? g 1 kg = 1000 g
Concentration expressed as x% means x% means xgram per 100ml
t stands for ? t stands for teaspoon
mg stands for ? mg stands for milligram
mcg stands for ? mcg stands for microgram
SubCut subcutaneous
bid twice daily
tid three times daily
qd one time daily (do not use this abbreviation)
qid four times daily (do not use this abbreviation)
gtts drops (do not use this abbreviation)
T stands for ? T stands for tablespoon
hs bedtime
SQ subcutaneous (SubCut is preferred abbreviation)
po oral
inh inhaled
SL sublingual
IM intramuscularly
IV intravenously
R rectally
os left eye (do not use this abbreviation)
od right eye (do not use this abbreviation)
q or Q every
wm with meal(s)
ac before meal/food
pc post meal/food
prn as needed for
dob date of birth
NKA no known allergies
NKDA no known drug allergies
NPO nothing by mouth
n/v nausea/vomiting
cp chest pain
wa while awake
SOB shortness of breath (SOA is better)
SOA shortness of air
BP blood pressure
stat now or immediately
ud as directed (this is a very vague signa)
aaa apply to affected area
qod every other day (do not use this abbreviation)
DC discontinue