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Acute upper GI bleeding management

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Escalate

Treat haematemesis, melaena with shock, syncope or ongoing brisk bleeding as a time-critical emergency. Use an ABCDE approach, call senior emergency, gastroenterology, anaesthetic and transfusion support, obtain large-bore venous access and activate the local major-haemorrhage protocol when indicated. Protect the airway when consciousness, continuing haematemesis or aspiration risk makes endoscopy unsafe. Resuscitation precedes endoscopy, but uncontrolled bleeding requires simultaneous organisation of urgent haemostasis.

Synopsis

Resuscitate acute upper gastrointestinal haemorrhage before diagnosis, risk-stratify consistently, initiate cause-specific pre-endoscopy treatment, deliver timely therapeutic endoscopy, and coordinate rebleeding, antithrombotic and secondary-prevention decisions.

  • Upper-GI bleeding can present with haematemesis, coffee-ground vomit, melaena or brisk haematochezia; haemodynamic state matters more than the apparent colour or volume.
  • Calculate the Glasgow–Blatchford score at first assessment and the full Rockall score after endoscopy; a score is an adjunct and never overrides shock or active bleeding.
  • Use a restrictive red-cell transfusion strategy in most haemodynamically stable patients, commonly considering transfusion below 70 g/L, while individualising for exsanguination and cardiovascular disease.

Key red flags

Occult shock

Cool peripheries, delayed capillary refill, confusion, oliguria, postural symptoms or rising lactate may precede hypotension. Older people and those taking rate-limiting medicines may not become tachycardic.

Investigation priorities

01
Serial observations and perfusion assessmentFirst step

Measure current physiological threat and response to resuscitation.

Management branches

ResuscitateRestore perfusion safely

Any patient presents with suspected acute upper-GI bleeding and physiological or ongoing blood-loss concern.

  1. Use ABCDE, monitor continuously when unstable, insert appropriate venous access, send urgent bloods and crossmatch, and summon senior endoscopy, anaesthetic and transfusion support early.
  2. Give crystalloid and blood components according to response and the local haemorrhage protocol, using restrictive red-cell thresholds only when the patient is sufficiently stable for concentration-based decisions.

Key medicines

Terlipressin for suspected variceal bleedingUsing Glypressin 1 mg, administer 2 mg by intravenous injection every 4 hours initially. After the first dose, use 1 mg every 4 hours if body weight is below 50 kg or adverse effects occur. Treat until bleeding has remained controlled for 24 hours, capped at 48 hours by the current SmPC. NICE says to stop terlipressin after definitive haemostasis or within 5 days, but that pathway ceiling does not override a named product's shorter licensed maximum.
Prophylactic antibiotic for suspected variceal haemorrhageStart promptly using the local cirrhosis and antimicrobial guideline, with agent, route and duration selected for allergy, renal function, prior colonisation and regional resistance.
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Sources and review status5 sources · checked 27 Aug 2026 · clinical review pending
Sources

Sources and review status

National guidance is shown before implementation-dependent detail. Typical adult dose examples remain subject to patient factors, contraindications and the live BNF or specialist protocol. Source check completed 27 Aug 2026; clinical approval remains outstanding.

Authoring stateRapid draftClinical stateAwaiting reviewJurisdictionUnited Kingdom