An aneurysm is a weakened area in a blood vessel wall that can bulge and, in some cases, rupture. Some aneurysms cause no symptoms, but certain warning signs require urgent medical attention.
Signs you shouldn’t ignore
Possible brain (cerebral) aneurysm warning signs:
- A sudden, severe headache often described as the “worst headache of your life”
- Neck stiffness
- Nausea or vomiting with a sudden headache
- Sensitivity to light
- Loss of consciousness
- Confusion
- Seizures
- Vision changes or a drooping eyelid
Possible aortic aneurysm warning signs:
- Sudden, severe chest or upper back pain
- A tearing or ripping sensation in the chest or back
- Shortness of breath
- Fainting or dizziness
- Weakness on one side of the body or difficulty speaking (possible emergency blood-flow problem)
Abdominal aortic aneurysm (AAA) symptoms can include:
- Deep, persistent pain in the abdomen or side
- A pulsating feeling or lump in the belly
- Sudden severe abdominal or back pain (especially with weakness or fainting)
When to seek emergency help
Call emergency services immediately for:
- A sudden “worst-ever” headache
- Sudden severe chest, back, or abdominal pain
- Fainting, collapse, confusion, or stroke-like symptoms
Many aneurysms are found before they rupture through imaging tests, especially in people with risk factors such as smoking history, high blood pressure, older age, or a family history of aneurysms. Regular medical care and managing blood pressure can reduce risk.
