What is the abbreviation for "by mouth" in medication administration?

The abbreviation for "by mouth" in medication administration is "po," derived from the Latin term "per os." This term is widely used in medical documentation and prescriptions to denote that a medication should be taken orally. When medications are prescribed to be taken "po," it indicates that they should be ingested rather than administered through other routes, such as intravenously or through injection. Understanding this abbreviation is crucial for accurately interpreting medical orders and ensuring safe medication administration. Familiarity with common abbreviations helps healthcare providers communicate effectively and reduces the risk of medication errors.