Norepinephrine is used to treat hypotension (low blood pressure) that may occur due to causes such as sepsis (infection). It helps to increase blood pressure by narrowing the blood vessels of the heart. It may be used to revive a patient with cardiac arrest. May Treat: Low blood pressure Alternate Brand Names: Nor Epineph · Noradria · Norad · Noralin · Adronis · Epinor · Veraline · N-Adrin