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Symptoms of Brain Aneurysm

Brain aneurysms often present with subtle symptoms, but recognizing these signs is crucial as they can indicate a potentially life-threatening condition that requires immediate attention.

  • 24 Nov 2023
  • 3 min read

A brain aneurysm, also known as a cerebral aneurysm, is a condition in which there is bulging or ballooning in a blood vessel in the brain. This can lead to a leak or rupture, causing bleeding in the brain, known as a hemorrhagic stroke. Whether you or someone you love is at risk for a brain aneurysm, it's important to understand the symptoms and recognise warning signs in order to pursue appropriate treatment sooner rather than later. In this article, we will explore the various symptoms of brain aneurysms so that individuals can be more informed and take action if needed.


What are the Symptoms of Brain Aneurysm?

Brain aneurysms do not show symptoms until they become very large, where they steadily grow and may press on tissues and nerves, causing symptoms like:

  • Pain above and around the eye
  • Numbness on the face
  • Weakness
  • Loss of balance
  • Headache
  • Paralysis
  • Difficulty in concentration
  • A dilated pupil in the eye
  • Vision changes or double vision
  • Short term memory

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When a brain aneurysm ruptures, it can cause severe symptoms like a sudden and extremely severe headache, which is one of the main warning signs of an aneurysm. It can also cause some other aneurysm symptoms like:

  • Double vision
  • Feeling sick
  • Pain in neck
  • Sudden confusions
  • Stiffness in the neck region
  • Sudden loss of consciousness
  • Cardiac arrest
  • Weakness
  • Leaking aneurysm: when an aneurysm leaks, a small amount of blood goes into the brain, a condition known as a sentinel bleed. 



In conclusion, it is important to be aware of the signs and symptoms of a brain aneurysm. Signs can appear suddenly but sometimes can take days or even weeks before they are detectable. It is important to be conscious that this isn’t necessarily an exhaustive list of warning symptoms, as there could be cases when other indicators could also be present. Brain aneurysms can go undetected and symptomless for many years so being informed of the potential warning signs can help prevent serious complications if caught early enough.

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