issues can also affect vision, sudden unexplained visual disturbances should never be dismissed.
Why it matters: Sudden vision loss or significant visual changes require urgent medical assessment, even if they improve.
- A Sudden, Extremely Severe Headache
A sudden, unusually severe headache can sometimes be associated with a hemorrhagic stroke, which involves bleeding in or around the brain.
Some people describe this type of headache as dramatically different from anything they have experienced before.
It may occur with nausea, vomiting, neck discomfort, or changes in consciousness.
Most headaches are not strokes, but an abrupt and extremely severe headache needs immediate medical
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