Answer
Its action is short-lived, and abrupt interruption or withdrawal can cause a sudden fall in blood pressure.
Sources for this answer
- Noradrenaline (Norepinephrine) 1 mg/ml Concentrate for Solution for Infusion — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.