What is the term for "by mouth" in medical shorthand?

The term for "by mouth" in medical shorthand is "PO," which stands for the Latin phrase "per os." This notation is commonly used in healthcare settings to indicate that a medication or treatment is to be taken orally. Understanding this shorthand is essential for a medical scribe, as it helps accurately document medication orders and patient instructions.

The other terms mentioned are used in different contexts within medical shorthand. "PQ" typically refers to "by mouth," but more specifically related to the administration of medications through oral routes in certain contexts. "PR" means "per rectum," indicating medications administered rectally, and "PM" refers to "post meridiem" or afternoon/evening, often used in scheduling. Recognizing these distinctions aids in clarity and communication within medical documentation.