US Drug Labelling Explained: Ultimate Guide to FDA Compliance and Submission Best Practices Mastering US Drug Labelling: Compliance-Ready Guide for FDA Submissions and Reviews Introduction to US Drug Labelling and Its Importance US drug labelling is one of the most critical aspects of pharmaceutical regulatory compliance. Labeling encompasses everything from prescribing information (package inserts) to patient information leaflets, carton and container labels, and electronic submissions in Structured Product Labeling (SPL) format. The U.S. Food and Drug Administration (FDA) regulates drug labelling to ensure that healthcare professionals and patients receive accurate, clear, and up-to-date information about drug safety and efficacy. Labeling…