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A 34-year-old male asked:

Why do i faint when standing up quickly?

1 doctor answer5 doctors weighed in
Dr. Louis Krenn
Family Medicine 21 years experience
Low blood pressure: Your blood pressure is likely dropping when you stand up. This can be normal in some circumstances, but if it is happening repetitively, it should be evaluated further by a physician. If you currently take blood pressure medications to control your blood pressure, these may need to be adjusted.

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Last updated Jun 19, 2015

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