Low Blood Pressure - Symptoms

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What are low blood pressure signs and symptoms?

When blood pressure is not sufficient to deliver enough blood to the organs of the body, the organs do not work properly and can be temporarily or permanently damaged. For example, if insufficient blood flows to the brain, brain cells do not receive enough oxygen and nutrients, and a person can feel lightheaded, dizzy, or even faint.

Going from a sitting or lying position to a standing position often brings out symptoms of low blood pressure. This occurs because standing causes blood to "settle" in the veins of the lower body, and this can lower the blood pressure. If the blood pressure is already low, standing can make the low pressure worse, to the point of causing symptoms. The development of lightheadedness, dizziness, or fainting upon standing caused by low blood pressure is called orthostatic hypotension. Normal individuals are able to compensate rapidly for the low pressure created by standing with the responses discussed previously and do not develop orthostatic hypotension.

When there is insufficient blood pressure to deliver blood to the coronary arteries (the arteries that supply blood to the heart's muscle), a person may develop chest pain (a symptom of angina) or even a heart attack.

When insufficient blood is delivered to the kidneys, the kidneys fail to eliminate wastes from the body, for example, urea (BUN) and creatinine, and increases in their levels in the blood occur.

Shock is a life-threatening condition where persistently low blood pressure causes organs such as kidney(s), liver, heart, lung, and brain to fail rapidly.

Return to Low Blood Pressure (Hypotension)

See what others are saying

Comment from: Gloria, 55-64 Female (Patient) Published: December 19

My blood pressure is 98 over 78 and I keep getting dizzy spells and when I go to bed and close my eyes the room spins around.

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Comment from: sherstoy, 65-74 Female (Patient) Published: May 09

When I have low blood pressure I am light headed, sun bothers my eyes, feels like my eyes are beyond wide open. I wear sunglasses, it takes a while for eyes to adjust.

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