8 Warning Signs That May Appear One Month Before a Stroke
These signs don’t always mean a stroke is coming, but they deserve attention because they can signal reduced blood flow or other issues building up. Here’s what to watch for, explained simply.
1. Persistent or Unusual Headaches

A new pattern of headaches that feels different from your usual ones—stronger, more frequent, or coming with no clear trigger—can be an early red flag. Research links these to changes in blood flow or pressure inside the brain. If over-the-counter relief stops working or the pain wakes you at night, it’s worth noting.
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2. Sudden Changes in Vision
Blurred sight, double vision, or brief loss of vision in one or both eyes may come and go. This happens when blood supply to the visual areas of the brain flickers. Many people describe it as “like a curtain falling” or just needing to rub their eyes more often—easy to dismiss until it repeats.