4. You Feel a Sudden Confusion

If you’ve just been going about your day, but are hit with a sudden overwhelming feeling of confusion or an inability to focus on what’s around you, there are several things that could be happening. At the least, you might be having an adverse reaction to medication or a dip in blood pressure, which are both things that you must get checked out immediately. But, at it’s worst, this could be a symptom of a bleed in the brain or even a tumor, especially if the confusion is coupled with a feeling of weakness.