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3. Sudden Vision Changes That Come and Go
Temporary vision problems are another early sign that may appear weeks before a stroke.
These can include:
- Blurred vision
- Double vision
- Partial vision loss in one eye
- A shadow or curtain-like effect
Vision changes that come and go are especially concerning because they may indicate reduced blood flow to the visual areas of the brain or eyes.
4. Frequent, Unexplained Headaches
Headaches can have many causes, but new, unusual, or increasingly frequent headaches—especially in older adults—should not be dismissed.
Concerning features include:
- Headaches that feel different from usual
- Sudden onset without a clear trigger
- Headaches accompanied by dizziness or vision changes
While headaches alone don’t mean a stroke is coming, changes in headache patterns may signal vascular issues.
5. Episodes of Dizziness or Loss of Balance
Feeling dizzy once in a while is common, but recurrent episodes of dizziness, vertigo, or balance problems can be a warning sign.
These may include:
- Trouble walking straight
- Feeling like the room is spinning
- Sudden loss of coordination
- Frequent unexplained falls
Balance is controlled by complex brain systems that rely on steady blood flow.
6. Sudden Confusion or Trouble Thinking Clearly
Temporary confusion or mental fog can be an early neurological warning sign.
Watch for:
- Difficulty concentrating
- Sudden memory lapses
- Feeling disoriented
- Trouble following conversations
These episodes may be subtle and short-lived, making them easy to overlook or blame on aging or stress.
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