Brain Aneurysm: Symptoms, Diagnosis & Treatment
A clear, clinically structured guide to brain aneurysm, covering warning signs, diagnosis, and endovascular and surgical treatment.
Treatment usually begins with
Specialist Assessment
Diagnostic Imaging
Medical Management
Care Team Follow-up
Your neurology team will confirm the right diagnostic and treatment pathway based on your symptoms and imaging findings.
You may need this evaluated if...
A brain aneurysm needs emergency evaluation if you experience:
- A sudden, severe headache described as the worst of your life
- Neck stiffness with sensitivity to light
- Sudden vision changes or loss of consciousness
- Nausea and vomiting with a severe headache
A sudden, severe 'thunderclap' headache is a medical emergency, seek care immediately.
What is Brain Aneurysm?
A brain aneurysm is a weak, bulging area in the wall of a blood vessel in the brain. Most are found incidentally, but a ruptured aneurysm is a medical emergency.
Often Silent
Many aneurysms cause no symptoms until they are found on a scan or rupture.
Rupture is an Emergency
A ruptured aneurysm causes bleeding around the brain and needs immediate care.
Imaging Confirms It
CT or MR angiography identifies the aneurysm's size and location.
Treatable
Endovascular coiling or surgical clipping can secure most aneurysms.
Common Symptoms
- Sudden, severe 'thunderclap' headache unlike any before
- Neck stiffness
- Sensitivity to light
- Nausea and vomiting
- Blurred or double vision
- Loss of consciousness
What Increases Your Risk
A combination of medical, lifestyle and hereditary factors can increase the likelihood of this condition.
How It Is Diagnosed
A structured assessment confirms the diagnosis and helps guide the right treatment plan.
1. Rapid clinical assessment
Evaluating headache severity and neurological signs immediately.
2. CT or MR angiography
Specialised imaging maps the blood vessels to locate the aneurysm.
3. Further evaluation
Additional tests help plan the safest treatment approach.
Treatment Approaches
Medical Care
- Blood Pressure Control
- Regular Imaging Follow-up for Unruptured Aneurysms
- Lifestyle Risk Factor Management
- Symptom Monitoring
Surgical Care
Depending on size and location, an unruptured aneurysm may be secured with endovascular coiling or surgical clipping to prevent rupture.
Treatment decisions are based on symptoms, imaging, timing and overall health, not a single test.
Know When to Act
Recognising these signs early and acting promptly is important for the best outcome.
Book an Assessment
Schedule a consultation for a routine evaluation or ongoing symptoms.
- A small aneurysm was found incidentally on a scan
- You want a second opinion on treatment options
- You have risk factors and want a screening consultation
Seek Urgent Care
Call for emergency care immediately if you notice any of the following.
- A sudden, severe headache unlike any before
- Neck stiffness with sensitivity to light
- Sudden vision changes or loss of consciousness
Not Sure What You Need?
Speak to a Care Guide and we'll help you choose the right neurology specialist.
Talk to Care GuideA care guide can match your condition to the right neuro team.
Share your concern or existing reports. We will help you choose the right hospital, doctor and appointment.
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