Common Medical Abbreviations

> Rx = Treatment
> Hx = History
> Dx = Diagnosis
> q = Every
> qd = Every day
> qod = Every other day
> qh = Every Hour

> S = without
> SS = One & half
> C = With
> SOS = If needed
> AC = Before Meals
> PC = After meals
> BID = Twice a Day
> TID = Thrice a Day
> QID = Four times a day
> OD = Once a Day
> BT = Bed Time
> hs = Bed Time
> BBF = Before Breakfast
> BD = Before Dinner
> Tw = Twice a week
> SQ = sub cutaneous
> IM = Intramuscular
> ID = Intradermal
> IV = Intravenous
> Q4H = (every 4 hours)
> QOD = (every other day)
> HS = (at bedtime)
> PRN = (as needed)
> PO or "per os" (by mouth)
> Mg = (milligrams)
> Mcg/ug = (micrograms)
> G or Gm = (grams)
> 1TSF (Teaspoon) = 5 ml
> 1 Tablespoonful =15ml
~ DDx =differential Diagnosis
Tx =Treatment
RTx =Radiotherapy
CTx =Chemotherapy
R/O =rule out
s.p =status post
PMH(x) =post medical history
Px =Prognosis
Ix =Indication
CIx =contraindication
Bx =biopsy
Cx =complication