Medical Abbreviations

 N.P.O. – nothing by mouth

o.d. – once a day

b.i.d – two times a day

o.u.- both eyes

BP – blood pressure

p.c. – after food

a.c. – before meals

Rx - prescription

c (draw a line over the c)   -   with

Sig. or S. - directions

Dx – Diagnosis

u.d. – as directed

NSAID – non-steroidal anti-inflammatory drug

OTC – over the counter

DNR – Do not resuscitate

p   -   after

DOB – Date of Birth

po – by mouth

Dx - diagnosis

p.r.n. – when required or as needed

Hs/hs - bedtime

pt – patient

amb – ambulate,walk

qh – every hour

h.s - at bedtime

q2h – every 2 hours

q3h – every 3 hours

q4h – every 4 hours

q.i.d – four times a day

s  -   without

stat – immediately

t.i.d -  three times a day

V/S – vital signs

Wt – weight

q.o.d  -  every other day