What does "ac" stand for in medication administration instructions?

In medication administration instructions, "ac" stands for "before meals." This abbreviation is derived from the Latin phrase "ante cibum," which directly translates to "before food." Understanding this notation is essential for ensuring that medications are taken at the appropriate time to enhance their effectiveness and reduce potential side effects.

When medications are taken ac, it typically means that they should be consumed at least 30 minutes before a meal to allow for optimal absorption. For example, certain medications may require an empty stomach to achieve the desired therapeutic effect. Administering medications according to these specific instructions helps healthcare providers manage symptoms effectively and support the patient's overall treatment plan.