nothing by mouth AMA style avoids use of this abbreviation (spell out “nothing by mouth”) NS normal saline (0.9%) 1/2NS half-normal saline (0.45%) NTE not to exceed o 2 o 2 both eyes “O 2” usually means oxygen or oxygen therapy: o.d. omni die every day (once daily) (preferred to “qd” in the UK) o.d. oculus dexter right eye
nothing by mouth / not by oral administration: nil per os o.d. od OD once a day right eye: omne in die oculus dexter o.s. os OS left eye: oculus sinister o.u. ou OU both eyes: oculus uterque p.c. after food: post cibum p.m. pm PM afternoon or evening: post meridiem: p.o. po PO orally / by mouth / oral administration: per os / nonstandard form per orem
Medical abbreviations are a shorthand way of writing and talking by medical professionals (people who work to help sick people) to hurry explanation of diseases (sickness) patients or medicines (drugs).. This shorthand can include shortening (making less lengthy) of longer disease names by cutting the word down to its base (the Latin or Greek part that makes it).
Oral administration is a route of administration where a substance is taken through the mouth. Per os abbreviated to P.O. is sometimes used as a direction for medication to be taken orally. Many medications are taken orally because they are intended to have a systemic effect reaching different parts of the body via the bloodstream for example.
It may consist of a group of letters or words taken from the full version of the word or phrase; for example the word abbreviation can itself be represented by the abbreviation abbr. abbrv. or ab…