with weakness, speech problems, or vision changes.
## 6. A Sudden Severe Headache
A severe headache that begins unexpectedly and has no obvious cause can sometimes occur during a stroke.
It may be especially concerning if accompanied by:
* Vomiting
* Confusion
* Weakness
* Vision problems
* Difficulty speaking
The American Stroke Association lists sudden severe headache without a known cause among additional stroke warning signs.
## 7. Sudden Confusion
A stroke can cause an abrupt change in thinking or understanding.
Someone may:
* Seem disoriented
* Struggle to understand simple questions
* Give inappropriate answers
* Suddenly have trouble
