Norepinephrine is widely used in medical settings as a critical medication for managing acute hypotension and shock. It functions as a vasopressor, constricting blood vessels to increase blood pressure, which is essential in emergency situations such as septic shock or cardiac arrest. Additionally, it is employed in anesthesia to maintain blood pressure during surgical procedures. Beyond its clinical applications, norepinephrine plays a significant role in neurological research, where it is studied for its involvement in stress responses, attention, and mood regulation, providing insights into conditions like depression and anxiety disorders.