What does the abbreviation q stand for in medical dosing?

The abbreviation "q" in medical dosing stands for "every." It is derived from the Latin word "quaque," which means "each" or "every." This term is commonly used in prescriptions to indicate that a medication should be administered at regular intervals. For example, if a prescription states "q6h," it means the medication should be given every six hours. Understanding this abbreviation is crucial for ensuring proper dosing schedules are followed, which is essential for maintaining therapeutic drug levels and ensuring patient safety.