What does the abbreviation 'AD' stand for?

The abbreviation 'AD' stands for "right ear" in the context of medical terminology. It originates from the Latin phrase "auris dextra," which directly translates to "right ear." This is important in medication administration and medical documentation because it helps healthcare professionals clearly communicate which side of the body is being referred to, particularly when dealing with medications or treatments pertinent to the ears. Understanding these abbreviations is crucial for ensuring accurate delivery and monitoring of care in clinical settings.