What does the abbreviation AC indicate in a medical context?

The abbreviation AC in a medical context stands for "Before meals." It signifies the timing for administering medications or dietary instructions, indicating that a particular action should take place prior to a meal. This is especially significant for medications that require an empty stomach for optimal absorption or efficacy. Medical professionals use this abbreviation to ensure clarity in prescriptions and patient instructions. Understanding this term is essential for managing patient care effectively, as timing related to meals can influence treatment outcomes.