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Educational draft · awaiting clinical reviewUse Rapid for revision, not patient-care decisions. Check current national and local guidance and the BNF or BNFC before acting.

Intracerebral haemorrhage

Neurology · UK scope · Sources checked 27 Aug 2026 · Clinical review pending

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Synopsis

Recognise spontaneous intracerebral haemorrhage, stabilise the patient, reverse relevant antithrombotic effects and coordinate blood-pressure, neurosurgical and complication management using a time-critical specialist pathway.

  • Intracerebral haemorrhage commonly presents with sudden focal deficit, headache, vomiting, seizure or reduced consciousness and cannot be distinguished reliably from ischaemic stroke without urgent brain imaging.
  • Obtain non-contrast CT immediately, define haematoma site and volume, intraventricular extension, hydrocephalus and mass effect, and consider CTA for an underlying vascular lesion or expansion risk.
  • Record anticoagulant and antiplatelet exposure, exact last dose, blood pressure, glucose, platelets, INR, renal function and time of onset while stabilising airway, breathing and circulation.
  • Reverse warfarin-related haemorrhage urgently with four-factor prothrombin complex concentrate plus intravenous vitamin K, and use anticoagulant-specific emergency pathways for dabigatran or factor Xa inhibitors.
  • For eligible spontaneous intracerebral haemorrhage presenting within 6 hours with systolic pressure 150–220 mmHg and no NICE exclusion, consider controlled reduction to 140 mmHg or lower while ensuring the fall does not exceed 60 mmHg in the first hour; avoid hypotension and individualise when perfusion or raised-pressure concerns exist.
  • Routine platelet transfusion for spontaneous ICH in a patient taking antiplatelets is not beneficial and may be harmful unless a specific surgical or haematological indication is established.
  • Early neurosurgical discussion is essential for cerebellar haemorrhage with deterioration, brainstem compression or hydrocephalus, and for selected lobar or intraventricular cases; not every deep haemorrhage benefits from evacuation.
  • Prevent aspiration, VTE, fever, glucose extremes and pressure injury on a specialist stroke or neurocritical unit, and investigate deterioration with repeat imaging rather than assuming the initial bleed is static.

Key red flags

GCS decline, unequal pupils, extensor posturing or respiratory irregularity indicates impending herniation and needs immediate airway, neurocritical and neurosurgical action.

Cerebellar blood with hydrocephalus, brainstem compression or neurological deterioration is a time-critical surgical emergency.

Recent anticoagulant exposure with ICH requires reversal to begin as soon as clinically possible; do not wait for non-essential investigations or transfer.

Marked pressure elevation with cardiac, renal or neurological target-organ injury requires monitored treatment while preserving cerebral perfusion.

Young age, lobar location, subarachnoid extension or unusual calcification should prompt urgent vascular imaging for malformation, aneurysm or venous thrombosis.

Investigation priorities

01
Non-contrast CT brainFirst step

Confirm haemorrhage and define location, size, ventricular extension, hydrocephalus, oedema and mass effect.

Management branches

FIRSTFirst hour after diagnosis

Urgent CT confirms spontaneous intracerebral haemorrhage.

  1. Stabilise airway, breathing and circulation, elevate the head appropriately, correct hypoxia and glucose emergencies and establish frequent neurological observations.
  2. Notify stroke or neurocritical care and neurosurgery according to location and severity, and document onset, premorbid function and escalation wishes without delaying active treatment.
  3. Review antithrombotic exposure and begin indicated reversal immediately while obtaining full blood count, coagulation, renal function and group-and-save samples.
  4. Start protocol-led blood-pressure management when eligible and obtain CTA or repeat imaging according to the clinical and anatomical risk.
LATERSurvivor prevention plan

The haemorrhage is stable and acute surgical or reversal decisions are complete.

  1. Determine likely cause from location, vascular imaging, MRI markers, blood pressure history and drug exposure and arrange any delayed angiography or tumour assessment.
  2. Establish sustained blood-pressure treatment, adherence support and home monitoring while addressing smoking, alcohol, stimulants and sleep apnoea where relevant.
  3. Review every antithrombotic indication with stroke, cardiology or haematology input and decide whether, when and what to restart based on individual risks.

Key medicines

Four-factor prothrombin complex concentrateFor warfarin-associated intracranial bleeding, give an urgent intravenous dose based on presenting INR, body weight and the specific product or local major-haemorrhage protocol.Use with intravenous vitamin K, monitor INR response and recognise thromboembolic risk; specialist advice must not create delay in life-threatening bleeding.
PhytomenadioneGive intravenous vitamin K, commonly 5–10 mg under the major-haemorrhage protocol, at the same time as PCC for warfarin-associated intracerebral haemorrhage.Administer by the recommended rate with resuscitation readiness for rare reactions; vitamin K alone acts too slowly for emergency reversal.
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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.

  • NICE NG128 stroke and TIA recommendationsAcute ICH imaging, pressure, reversal and surgical care.
  • National Clinical Guideline for Stroke acute careComprehensive UK intracerebral haemorrhage management.
  • British Society for Haematology guidelinesCurrent UK anticoagulant reversal and haemostasis guidance index.
  • BNF idarucizumab monographLicensed UK dosing and cautions for dabigatran reversal.
  • NICE hypertension recommendationsLong-term blood-pressure diagnosis and treatment after recovery.

Editorial contact: Doctor’s Passport editorial team. Source-check date is separate from clinical approval. Report a content problem · Content changes

Authoring stateRapid draftClinical stateAwaiting reviewJurisdictionUnited Kingdom
  • Provide multidisciplinary rehabilitation, cognition and mood assessment and clear safety advice for recurrent neurological symptoms.