What Does PO Mean?

PEE-oh
IPA: /ˌpiːˈoʊ/
PEE oh
PO is pronounced PEE-oh

What does PO stand for?

PO stands for 'per os,' Latin for 'by mouth.

How do you pronounce PO?

PO is pronounced "PEE-oh". Syllables: pee - oh.

When is PO used in medicine?

Medication route specification on orders and prescriptions. 'Give metoprolol 25 mg PO BID' = swallow twice daily.

Word Parts & Etymology

Latinper osby mouth / through the mouth

Common Misconceptions

Confused with NPO (nothing by mouth). PO = give by mouth; NPO = withhold everything by mouth.

Clinical Context

Medication route specification on orders and prescriptions. 'Give metoprolol 25 mg PO BID' = swallow twice daily.

Master PO and 1,100+ More Medical Terms

Practice pronunciation with AI feedback, flashcards, and spaced repetition.

Download on App Store