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Doctor insights on: Low Blood Presure

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Low blood presure of 116 and blacked out for about 5 seconds. What can cause this?

Low blood presure of 116 and blacked out for about 5 seconds. What can cause this?

116 not low: That type of blood pressure shouldn't cause passing out. Does it occur when you stand up abruptly? Does passing out occur after you've been up standing for awhile? 30% of the time we can never diagnose the reason for passing out. If it recurs, best to go see a primary care physician or cardiologist! ...Read more

Dr. Stephen Scholand
2 doctors shared insights

Blood Pressure (Definition)

Blood pressure is a measurement of the force placed on the blood vessels and is comprised of the "systolic" pressure (the top number on a blood pressure meter) which is the peak pressure when the heart is pumping, and the "diastolic" pressure (the bottom number on a blood pressure meter) which is the pressure during the resting phase ...Read more


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18 and i have low blood presure . I normaly donate blood but my blood preaure is normaly low and i couldnt last because it was 80 over 50 i think ??

18 and i have low blood presure . I normaly donate blood but my blood preaure is normaly low and i couldnt last because it was 80 over 50 i think ??

That's fine buddy: "How long should your legs be? Long enough to reach the ground." If you feel well and can keep up in sports, your blood pressure is fine, no matter how low. Sorry that you could't donate; that's to cover liability for people who might actually be super-nervous, addisonian, or in shock for some reason. Drink plenty of water next time you go in. Best wishes, thanks for trying. ...Read more

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Sometimes when I am setting and suddenly i stand up i fell dizzy is that caused by a low blood presure ?

Could be: The dizzy sensation could be due to postural hypotension (the brain does not get enough blood and oxygen when suddenly sitting or standing after laying down). The other possibility could be a problem with equilibrium related to an inner ear problem. Your primary care physician can examine you and advise you. ...Read more

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Always tired no matter what I eat or how long I sleep. Cannot have low blood presure,i eat a lot of salt.

Always tired no matter what I eat or how long I sleep. Cannot have low blood presure,i eat a lot of salt.

Get checked out.: Chronic fatigue can be due to anemia or thyroid problems, which are often easily fixed. There are many other causes too. To find out, see your doctor for a thorough history and physical. Too much salt ain't good! ...Read more

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I keep feeling realy dizzy lightheaded EVERY time i stand. My vision blurs out to white. It lasts 10 to 40 secs. Can you help me? Low blood presure?

I keep feeling realy dizzy lightheaded EVERY time i stand. My vision blurs out to white. It lasts 10 to 40 secs. Can you help me? Low blood presure?

It may be: low blood pressure as you said - orthostatic hypotension- when your body can't cope fast enough with changing in position. Make sure you stay hydrated and make sure you keep track of how much you bleed, orthostatic hypotnesion ma also be a sign of losing blood too fast. ...Read more

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My dentist gave me aneasthetic for filling and i had low blood presure as a result im afraid for jaw opperation thats laying ahead.

Low blood pressure: Low blood pressure is a side effect that is very common with inhaled anesthetics. If jaw surgery is going to be performed under general anesthesia you will likely have an anesthesiologist taken care of you, which will be different from what you had during your minor procedure at the dentist office. ...Read more

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14 weeks pregnant should I be concerned IV had a. Headach on and off today I have felt dizzy this morning and low blood presure?

Not necessarily: Thise things can be normal in pregnancy. Most pregnant women have low blood pressure starting about 12-14 weeks. Many have dizziness if they stand for a few minutes. Headaches are also common. At the same time, all those things can happen to anyone if they get a cold, the flu, migraines, etc. Without being pregnant at all. If you get worse, get seen. If not, it is likely normal pregnancy (sorry). ...Read more

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When is blood pressure too low?

When is blood pressure too low?

Depends: On multiple issues. If you are symptomatic....Fatigued, lightheaded etc. If yes then it is too low. Also depends if you are taking medications to lower bp...Then it might be to low. Some people have BP in the 90's and that is normal for them. See your doctor. ...Read more