What does PC refer to in terms of medication administration timing?

In the context of medication administration timing, the abbreviation "PC" stands for "post cibum," which is a Latin term meaning "after meals." This indicates that the medication should be given after the patient has eaten. Administering medications with food can help enhance absorption, minimize gastrointestinal irritation, and improve patient compliance by integrating the medication schedule with their meal times.

The other choices denote different timings for medication administration: "Before meals" is indicated by the abbreviation "AC" (ante cibum), while "At bedtime" refers to medications given as part of a nighttime routine, and "Upon waking" would typically indicate a morning medication schedule. Each has its specific implications for absorption and efficacy but does not correspond to the meaning of PC.