Aneurysm: signs you shouldn’t ignore
An aneurysm is a weakened area in a blood vessel that bulges outward. Many aneurysms cause no symptoms until they rupture, which can be life-threatening.
🚨 Call emergency services immediately if you have:
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Sudden, extremely severe headache — often described as the worst headache of your life. This can indicate a ruptured brain aneurysm.
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Sudden loss of consciousness, seizure, confusion, or extreme drowsiness.
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Sudden weakness or numbness, especially on one side of the body, or trouble speaking/seeing.
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Sudden severe chest or upper-back pain, particularly if it’s tearing or ripping in character.
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Sudden severe abdominal or back pain, especially with sweating, weakness, dizziness, or fainting.
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A rapid heartbeat with collapse or severe lightheadedness.
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A pulsating lump in the abdomen accompanied by sudden pain, weakness, or fainting.
These symptoms can have causes other than an aneurysm, but they require emergency assessment rather than waiting to see whether they improve.
Less dramatic signs
Depending on its location, an unruptured aneurysm can occasionally cause persistent or unusual symptoms such as headaches, pain around the eye, vision changes, difficulty swallowing, hoarseness, or abdominal/back discomfort. These aren’t specific to aneurysms, so they need medical evaluation rather than self-diagnosis.
Important: Aneurysms can be completely silent. If you’ve already been told you have an aneurysm, the appropriate follow-up depends on its location, size, shape, and whether it’s growing.
If you’re asking because you or someone with you is currently experiencing sudden severe headache, chest/back/abdominal pain, fainting, or neurological symptoms, seek emergency care now.
