A 17-year-old male asked:
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how high and low does your blood pressure have to get to where its considered dangerous?

1 doctor answer
Dr. Bennett Werner
43 years experience Cardiology
It's not the numbers: A normal BP is less than or equal to 135 on top and 85 on bottom. The lower, the better unless you're dizzy or passing out. Some very healthy people normally run a BP of 80-90 on the top number and that's fine. High bps increase long term risk. Very high bps (like >200/>110) that are also associated with symptoms like chest pain, breathlessness or confusion are considered an emergency.
Answered on Sep 17, 2019
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