HCTZ
HCTZ=Hydrochlorothiazide
MgSO4
MgSO4=magnesium sulfate
MS, MSO4
MS, MSO4=morphine sulfate
MTX
MTX=methotrexate
PCA
PCA=procainamide
PTU
PTU=propylthiaouracil
T3
T3=Tylenol with codeine No.3
TAC
TAC=triamcinolone
TNK
TNK=TNKase
ZnSO4
ZnSO4=zinc sulfate
Nitro drip
Nitro drip=nitroglycerin infusion
Norflox
Norflox=norfloxacin
IV Vanc
IV Vanc=intravenous vancomycin
AD, AS, AU
AD, AS, AU=Right ear, Left ear, each ear
OD, OS, OU
OD, OS, OU=Right eye, Left eye, each eye
BT
BT=Bedtime
cc
cc=Cubic centimeter
d/c
D/C=Discharge or discontinue
IJ
IJ=Injection
IN
IN=Intranasal
HS
HS=Half-strength
hs
hs=At bedtime, hours of sleep
IU
IU=International unit
o.d. OR OD
o.d. or OD=Once daily