Answer
It narrows abdominal blood vessels, lowering pressure and blood flow through enlarged oesophageal veins to help control bleeding.
Sources for this answer
- Terlipressin Acetate 0.12 mg/ml, solution for injection — 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.