per os
Abbreviation Medical Terminology Do Not Use list
By mouth. Error-prone: os can be read as left eye. Write PO, by mouth or orally.
Related terms
- proneLying on the abdomen, face down.
- MSMultiple sclerosis. As a drug abbreviation for morphine sulfate it is on the Do Not Use list; write the drug…
- MSO4Morphine sulfate. On the Do Not Use list: confused with magnesium sulfate. Write morphine sulfate.
- OD, OS, OURight eye, left eye, each eye. Error-prone: confused with AD, AS, AU (ears), and OD with once daily. Write…
- OJOrange juice. Error-prone: misread as OD or OS. Write orange juice.
- q1dDaily. Error-prone: misread as QID (four times daily). Write daily.
- QD, q.d.Daily. On the Do Not Use list: misread as QID or QOD. Write daily.
- QOD, q.o.d.Every other day. On the Do Not Use list: misread as daily or four times daily. Write every other day.
- SC, SQOld abbreviations for subcutaneous. Error-prone: SC read as SL (sublingual), SQ as 5 every. Write SUBQ or…
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