A brain haemorrhage occurs when a blood vessel within or around the brain ruptures, allowing blood to leak into or onto brain tissue and damaging it both through direct pressure and through the disruption of normal blood flow nearby. It is a form of hemorrhagic stroke and outcomes depend heavily on how quickly it is recognised and treated. This article explains the warning signs, what to do immediately and what emergency treatment looks like once hospital care is reached.

What Is a Brain Haemorrhage?

A brain haemorrhage is bleeding within the skull, classified by its precise location relative to the brain and its surrounding membranes. Brain haemorrhage is classified into two main types:

Intracerebral haemorrhage: The most common type, occurs when bleeding happens directly within the brain tissue itself, usually from a small vessel that has ruptured.
Subarachnoid haemorrhage: Involves bleeding into the space surrounding the brain, most often caused by a ruptured aneurysm and tends to cause a sudden, severe headache unlike any experienced before.

Common Causes of Brain Haemorrhage

Several distinct mechanisms can cause a blood vessel in or around the brain to rupture. They are:

Long standing high blood pressure is the leading cause of intracerebral haemorrhage, gradually weakening small blood vessels deep within the brain until one eventually bursts.
A ruptured brain aneurysm (a weak, bulging area in an artery wall) is the most common cause of subarachnoid haemorrhage and can rupture suddenly without warning.
Head trauma, whether from a fall, an accident, or an assault, can tear blood vessels directly and cause bleeding at the site of impact or, sometimes, at a distant point.
Anticoagulant medication, taken for conditions such as atrial fibrillation, increases the risk and severity of bleeding if a vessel does rupture.
Arteriovenous malformations (abnormal tangles of blood vessels present from birth) can rupture at any age and are a less common but important cause, particularly in younger patients.

Signs and Symptoms of Brain Haemorrhage

Symptoms typically develop suddenly, and recognising the pattern quickly is genuinely one of the most important things a bystander can do.

A sudden, severe headache often described as the worst ever experienced is a hallmark symptom, particularly of subarachnoid haemorrhage.
Weakness or numbness affecting one side of the face, arm or leg develops as the affected part of the brain loses its normal blood supply and function.
Slurred speech or sudden difficulty understanding others can appear within seconds, reflecting disruption to the brain's language centres.
Confusion, drowsiness or a sudden loss of consciousness can follow as pressure builds within the skull from the bleeding.
Nausea, vomiting and sensitivity to light frequently accompany the other symptoms, particularly when bleeding has occurred around the brain's surface.

First Aid for Brain Haemorrhage (Before Reaching Hospital)

There is no way to treat a brain haemorrhage outside the hospital but several actions in the first few minutes genuinely matter.

Call emergency services immediately as every minute of delay allows further bleeding and pressure to build within the skull.
Keep the person still and if they are conscious help them lie down with the head and shoulders slightly raised rather than flat.
If the person is unconscious but breathing, place them in the recovery position to keep their airway clear while waiting for help.
Do not give any medicine, food, or drink since the situation requires specific hospital-based treatment.

When to Seek Emergency Care for Brain Haemorrhage

Any sudden neurological symptom should be treated as a possible brain haemorrhage until proven otherwise there is no safe period of waiting to see if it passes. Contact a doctor if you experience:

Sudden weakness, numbness, or facial drooping on one side of the body
A sudden, severe headache unlike any previous headache
Slurred speech, confusion, or difficulty understanding language that appears suddenly
Loss of consciousness, even briefly, following any of the symptoms above.

Emergency Treatment at the Hospital for Brain Haemorrhage

Hospital treatment focuses on confirming the diagnosis rapidly, controlling the bleeding and managing pressure within the skull:

CT scanning is performed immediately on arrival, since it quickly confirms the presence, location, and size of the bleed.
Blood pressure is carefully controlled with intravenous medication since both excessively high and excessively low pressure can worsen outcomes.
Medication to reverse the effects of anticoagulants is given promptly if the person was taking blood thinners, since this directly affects ongoing bleeding risk.
Surgery to remove a large blood clot, or to clip or coil a ruptured aneurysm, may be required depending on the location, size and cause of the bleed.
Admission to a specialist neurological intensive care unit follows in most cases with close monitoring for swelling, raised pressure within the skull and further bleeding.

Conclusion

A brain haemorrhage can develop within seconds and worsen rapidly without treatment, which makes immediate recognition genuinely lifesaving. Sudden severe headache, one-sided weakness, slurred speech or sudden confusion should always prompt an emergency call rather than a wait-and-see approach. Hospital treatment including rapid imaging, blood pressure control, and surgery (where needed) offers the best chance of a good outcome and that chance improves substantially the earlier it begins.

FAQs

1. Is a brain haemorrhage a medical emergency?

Yes a brain haemorrhage requires immediate emergency assessment and treatment, since bleeding and pressure within the skull can worsen rapidly and cause permanent damage within a short period of time.

2. What are the early warning signs of a brain haemorrhage?

A sudden, severe headache, one-sided weakness or numbness, slurred speech, confusion and sudden vision changes are the early warning signs. They often develop within seconds rather than building gradually.

3. What symptoms indicate that someone may be having a brain haemorrhage?

Facial drooping, arm weakness, and slurred speech - the classic stroke recognition triad alongside a sudden severe headache, vomiting, or loss of consciousness all indicate a possible brain haemorrhage requiring emergency assessment.

4. What should I do if I suspect a brain haemorrhage?

Call emergency services immediately, keep the person still with their head slightly raised if conscious, place them in the recovery position if unconscious but breathing, and avoid giving any food, drink or medication.

5. Can a severe headache be a sign of a brain haemorrhage?

Yes a sudden, severe headache described as the worst ever experienced is a classic warning sign particularly of subarachnoid haemorrhage caused by a ruptured aneurysm and should always be treated as a possible emergency.

6. Can high blood pressure cause a brain haemorrhage?

Yes long-standing high blood pressure is the leading cause of intracerebral haemorrhage, gradually weakening small blood vessels deep within the brain over years until one eventually ruptures.

7. Can a head injury lead to a brain haemorrhage?

Yes trauma from a fall, accident or blow to the head can tear blood vessels directly, causing bleeding either at the site of impact or, in some cases, at a separate point within the skull.

8. What emergency tests are used to diagnose a brain haemorrhage?

CT scanning is the primary and fastest test, confirming the presence and location of bleeding within minutes. MRI and CT angiography may follow to identify the underlying cause like an aneurysm or malformation.

9. How quickly should treatment begin for a brain haemorrhage?

Treatment should begin as soon as possible after symptoms start since both bleeding and pressure within the skull can worsen within minutes to hours, making early hospital arrival directly linked to better outcomes.

10. When should I see a neurologist after treatment for a brain haemorrhage?

Follow-up with a neurologist is typically arranged before hospital discharge and continues at intervals afterwards to monitor recovery, manage ongoing risk factors such as blood pressure and address any lasting neurological effects.