GK BURST: Medical Abbreviations

Abbreviations	Latin Name	English Meaning
MS		morphine sulfate or magnesium sulfate
MSO4		morphine sulfate
nebul, neb.	nebula	a spray (such as for insufflation)- nebulizer
NMT		not more than
noct.	nocte	at night
non rep.	non repetatur	no repeats (no refills)
NPO, n.p.o.	nil per os	nothing by mouth
NS		normal saline (0.9%)
1/2NS		half-normal saline (0.45%)
NTE		not to exceed
o 2, o2		both eyes
o.d.	omni die	every day (once daily) (preferred to "qd" in the UK[9])
o.d.	oculus dexter	right eye
o.m.	omni mane	every morning
omn. bih.	omni bihora	every 2 hours
omn. hor.	omni hora	every hour
o.n.	omni nocte	every night
OPD		once per day
o.s.	oculus sinister	left eye
o.u.	oculus uterque	both eyes
oz		ounce
p.	perstetur	continue
part. æq.	partes æquales	equal parts
per	per	by or through
p.c.	post cibum	after meals
p.c.h.s., pc&hs	post cibum et hora somni	after meals and at bedtime
Ph.Br., BP	Pharmacopoeia Britannica	British Pharmacopoeia
Ph.Eur.	Pharmacopoeia Europaea	European Pharmacopoeia
Ph.Int.	Pharmacopoeia Internationalis	International Pharmacopoeia
pig./pigm.	pigmentum	paint
p.m.	post meridiem	evening or afternoon
p.o.	per os	by mouth or orally
ppt.	præparata	prepared
p.r., PR	per rectum	rectally
p.r.n., PRN	pro re nata	as needed
pt.	perstetur	continue
pulv.	pulvis	powder
p.v., PV	per vaginam	vaginally