Which abbreviation indicates taking medication every 2 hours?

The abbreviation that indicates taking medication every 2 hours is "q2h." In medical terminology, the letter "q" stands for "quaque," which is Latin for "every." The number that follows represents the interval in hours. Therefore, "q2h" specifically means to take the medication every 2 hours.

In contrast, the other options represent different dosing schedules: "q4h" means every 4 hours, "q8h" indicates every 8 hours, and "q6h" indicates every 6 hours. Understanding these abbreviations is crucial for proper medication management and ensuring that patients receive their medications at the correct intervals.