If a medication presents a serious safety concern, the FDA may require the manufacturer to implement a:

MedWatch is a system for reporting adverse events and safety concerns related to medications, medical devices, and other healthcare products. While reporting issues to MedWatch is essential for surveillance and monitoring purposes, it is not a specific requirement for addressing serious safety concerns with a medication.

Failure modes and effects analysis is a systematic approach used to identify and evaluate potential failure modes within a process or system. While this analysis can be valuable in improving safety and quality, it is not a mandated response by the FDA for addressing serious safety concerns with a medication.

Root-cause analysis is a methodical process for identifying the underlying causes of problems or adverse events. While conducting a root-cause analysis can be beneficial in understanding safety issues, it is not the required action by the FDA when a medication presents a serious safety concern.