How does a CAPA system (corrective and preventive action) differ from deviation handling? How can CAPA be managed effectively?

A CAPA system is the engine for continuous improvement in a QMS, going beyond simple deviation handling. Deviation handling may focus only on “correction” of an event that has already occurred—that is, fixing the current problem. A complete CAPA process, by contrast, emphasises: 1. “Corrective Action”: conducting an in-depth root cause analysis and taking action to eliminate the cause and prevent the “same” problem from recurring; and 2. “Preventive Action”: proactively analysing potential problems and taking action to prevent “similar” or “potential” problems from occurring in the first place. Effective CAPA management requires a structured process: clearly recording the source of the problem (such as a deviation or audit finding), conducting a thorough root cause analysis, drawing up a clear and actionable plan with assigned owners and deadlines, implementing the actions, and finally verifying CAPA effectiveness to ensure that the actions have genuinely resolved the problem without introducing new risks.