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Vasopressin Analogue Pregnancy: CONTRAINDICATED IN PREGNANCY (section 4.3). Section 4.6, verbatim: 'Treatment with Glypressin during pregnancy is contraindicated. Glypressin has been shown to cause uterine contractions and increased intrauterine pressure in early pregnancy and may decrease uterine blood flow. Glypressin may have harmful effects on pregnancy and foetus. Spontaneous abortion and malformation have been shown in rabbits after treatment with Glypressin.' BREAST-FEEDING: 'It is not known whether terlipressin is excreted in human breast milk ... A risk to the suckling child cannot be excluded. A decision on whether to continue/discontinue breast-feeding or to continue/discontinue therapy with terlipressin should be made taking into account the benefit of breast-feeding to the child and the benefit of terlipressin therapy to the woman.' US labelling adds that terlipressin may cause fetal harm, that a single intravenous dose given to pregnant women during the first trimester induced uterine contractions and endometrial ischemia in small published studies, and that in rabbits terlipressin is both embryotoxic and teratogenic.

Terlipressin (Vascular)

Brand names: Glypressin, Variquel

This is terlipressin used in its vascular/vasopressor role — an intravenous vasopressin analogue employed to raise blood pressure in distributive (for example septic or vasodilatory) shock and to reduce portal pressure in variceal bleeding.

Adult dose

Dose: Acute variceal bleeding: 2 mg by intravenous injection every 4 hours initially. After the initial dose the dose can be adjusted to 1 mg intravenously every 4 hours in patients with body weight under 50 kg, or if adverse effects occur.
Route: Intravenous injection only - section 4.4: 'To avoid local necrosis at the injection site, the injection must be given i.v.'
Frequency: Every 4 hours. 'The treatment should be maintained until bleeding has been controlled for 24 hours, but up to a maximum of 48 hours.'
Verbatim section 4.2: 'In acute variceal bleeding: Adults: Initially an i.v. injection of 2 mg Glypressin is given every 4 hours. The treatment should be maintained until bleeding has been controlled for 24 hours, but up to a maximum of 48 hours. After the initial dose, the dose can be adjusted to 1 mg i.v. every 4 hours in patients with body weight < 50 kg or if adverse effects occur.' Method of administration: 'Intravenous injection use'. maxDose IS DELIBERATELY EMPTY: the only 'maximum' in the whole posology is a TREATMENT DURATION (48 hours), not a dose ceiling, and the SPC states no maximum dose. Nothing here may be used to cap a calculated dose. THIS IS NOT THE HEPATORENAL SYNDROME REGIMEN. The dose above is for acute variceal bleeding only. The UK SPC in this bundle contains no hepatorenal-syndrome posology and no continuous-infusion regimen at all, so neither is published. For contrast, and as US labelling for a DIFFERENT product (TERLIVAZ) and a DIFFERENT indication: the US hepatorenal-syndrome regimen is 'TERLIVAZ 0.85 mg (1 vial) intravenously every 6 hours' on Days 1 to 3 by slow intravenous bolus injection over 2 minutes, with a Day-4 adjustment against baseline serum creatinine - continue 0.85 mg every 6 hours if creatinine has decreased by at least 30% from baseline, increase to 1.7 mg (2 vials) every 6 hours if it has decreased by less than 30%, and discontinue if creatinine is at or above baseline; 'Continue TERLIVAZ until 24 hours after two consecutive SCr <= 1.5 mg/dL values at least 2 hours apart or a maximum of 14 days.' Reconstitution: 'Reconstitute each vial with 5 mL of 0.9% Sodium Chloride Injection to prepare a 0.85 mg/5 mL solution.' That regimen is roughly a third of the daily amount of the variceal regimen above - do not transfer either regimen to the other indication. SPECIAL POPULATIONS (section 4.4, verbatim): 'Particular caution should be exercised in the treatment of children and elderly patients, as experience is limited in these groups. There is no data available regarding dosage recommendation in these special patient categories.' SEPTIC SHOCK (section 4.4, verbatim): 'In patients with septic shock with a low cardiac output Glypressin should not be used.' TORSADE DE POINTES (section 4.4): QT prolongation and ventricular arrhythmias including torsade de pointes have been reported, mostly in patients with predisposing factors such as basal QT prolongation, electrolyte abnormalities (hypokalaemia, hypomagnesemia) or concomitant QT-prolonging medication - 'extreme caution should be exercised' in such patients.

Paediatric dose

Route: Intravenous injection
NO PAEDIATRIC DOSE EXISTS IN THIS BUNDLE and none is drafted. Verbatim section 4.2: 'Paediatric population: There is no relevant use of Glypressin in paediatric population.' Section 4.4: 'Particular caution should be exercised in the treatment of children and elderly patients, as experience is limited in these groups. There is no data available regarding dosage recommendation in these special patient categories.' US label section 8.4: 'Safety and effectiveness of TERLIVAZ have not been established in pediatric patients.' dosePerKg is null deliberately - no per-kilogram figure appears anywhere in either fetched label, so no weight calculator may run on this page. Verify any under-18 use against a children's formulary and specialist advice.

Dose adjustments

Renal

No renal dose adjustment is given in the fetched sections of the UK SPC - section 4.2 contains no renal-impairment posology. Serum sodium and potassium and fluid balance must be monitored during treatment (section 4.4), and hyponatraemia is a listed undesirable effect. Note that the US label's separate hepatorenal-syndrome regimen titrates against serum creatinine, but that is a dosing rule for a different indication and a different product, not a renal adjustment to the variceal-bleeding dose above.

Hepatic

No hepatic dose adjustment is given in the fetched sections of either label, although the treated population is by definition one with portal hypertension. The US label directs that Acute-on-Chronic Liver Failure (ACLF) grade and volume status be assessed before initiating treatment, and warns that adverse reactions may make a patient ineligible for liver transplantation if listed - both US labelling for the hepatorenal-syndrome indication.

Dose independently re-sourced from UK Summary of Product Characteristics (SPC) via the eMC; US FDA prescribing information (openFDA / DailyMed) — cross-check; US labelling may differ from UK — clinician-reviewed. Always confirm against the product SmPC and your local formulary before prescribing.

Contraindications

  • Pregnancy - 'Contraindicated in pregnancy' (section 4.3)
  • Hypersensitivity to terlipressin or any other excipients of the product
  • Section 4.4 warning, not a section 4.3 contraindication: 'In patients with septic shock with a low cardiac output Glypressin should not be used'
  • US labelling (TERLIVAZ, different product and indication): contraindicated in patients experiencing hypoxia or worsening respiratory symptoms
  • US labelling (TERLIVAZ, different product and indication): contraindicated in patients with ongoing coronary, peripheral, or mesenteric ischemia

Side effects

  • Most frequently reported in clinical trials: abdominal pain, nausea, diarrhoea, pallor, vomiting and bradycardia
  • Vascular: vasoconstriction, peripheral ischaemia, pallor, hypertension, cyanosis, hot flush
  • Cardiac: chest pain, bradycardia, tachycardia, atrial fibrillation, myocardial infarction, torsade de pointes, cardiac failure, ventricular extrasystoles
  • Respiratory: pulmonary oedema, dyspnoea, respiratory failure, respiratory distress
  • Gastrointestinal: abdominal pain, diarrhoea, nausea, vomiting, intestinal ischaemia
  • Metabolism: hyponatraemia
  • Skin: skin necrosis unrelated to the site of administration, and injection site necrosis - 'Patients with diabetes mellitus and obesity seem to have a greater tendency to this reaction'
  • Nervous system: headache. Reproductive: uterine hypertonus, uterine ischaemia
  • US labelling (hepatorenal syndrome indication): 'serious or fatal respiratory failure occurred in 14% of patients treated with TERLIVAZ compared to 5% of patients on placebo'; the most common adverse reactions (at least 10%) were abdominal pain, nausea, respiratory failure, diarrhea and dyspnea

Monitoring

  • Blood pressure - regular monitoring throughout treatment; caution in patients with hypertension
  • ECG or heart rate - with extreme caution where there is a history of QT prolongation, electrolyte abnormality or concomitant QT-prolonging medication
  • Oxygen saturation - and, per US labelling, a baseline oxygen saturation before the first dose with continuous pulse oximetry during treatment
  • Serum sodium and potassium
  • Fluid balance
  • Injection site and skin for ischaemia or necrosis, particularly in patients with diabetes mellitus or obesity
  • Particular care in patients with cardiovascular or pulmonary disease, since terlipressin may induce ischaemia and pulmonary vascular congestion
  • US labelling for the hepatorenal-syndrome indication only: serum creatinine against baseline, and ACLF grade and volume status before initiating

Clinical monograph

How it works

As a prodrug for lysine-vasopressin, it stimulates vascular V1 receptors to cause systemic and splanchnic vasoconstriction, increasing systemic vascular resistance and arterial pressure while lowering portal flow.

Prescribing in practice

  • Profound vasoconstriction can cause myocardial, peripheral, mesenteric and digital ischaemia, so avoid in significant ischaemic heart or peripheral vascular disease and monitor closely for ischaemic complications when used as a pressor.
  • It can provoke hyponatraemia and has been associated with worse respiratory outcomes in septic shock, so use cautiously in respiratory compromise and check sodium.
  • Use with caution in the elderly, in uncontrolled hypertension and in pregnancy because of reduced uterine perfusion.

Monitoring

Monitor blood pressure, cardiac rhythm, peripheral and digital perfusion, fluid balance and serum sodium throughout treatment.

Counselling the patient

  • Explain this is a blood-pressure-supporting medicine given in critical care by infusion.
  • Report chest pain or cold, painful or discoloured fingers and toes.

Evidence & guidelines

Its vasopressor and portal-pressure-lowering effects are supported by critical care and hepatology trial evidence and reflected in the SPC.

Reference: CONFIRM trial; BSG variceal haemorrhage guidelines; Drug verified in RxNorm (NLM); confirm dosing against the manufacturer SPC (eMC). Verify against your local formulary and current prescribing references before prescribing. The structured dose values shown have been reviewed by a clinician. Monograph status: clinician-reviewed (2026-07-04).

Related

Curated clinical cross-links plus same-class fallbacks.