What does the abbreviation "Q" stand for in medication administration?

In the context of medication administration, the abbreviation "Q" stands for "every." This is derived from the Latin word "quaque," which means "each" or "every." Therefore, when you see "Q" used in a prescription or medication instruction, it indicates that the medication should be administered at regular intervals, consistent with the frequency outlined after the "Q." For example, "Q4H" would mean the medication should be given every four hours.

This understanding is essential for healthcare professionals to ensure that patients receive their medications correctly and on schedule, which is crucial for effective treatment and patient safety. Familiarity with these abbreviations allows for clear communication among healthcare providers and helps to prevent dosage errors.