Medical Abbreviations

Awareness about common and most used medical abbreviations by doctors and para-medical staff during the treatment and diagnosis of patients:

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