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May 26, 2022 · Orthostatic hypotension — also called postural hypotension — is a form of low blood pressure that happens when standing after sitting or lying down. Orthostatic hypotension can cause dizziness or lightheadedness and possibly fainting.
Apr 16, 2024 · If lightheadedness when changing position is mild or occasional, you can take some practical steps to prevent it: Check medications. A variety of medications can lower blood pressure. That contributes to a remarkable number of cases.
Oct 5, 2022 · Weaker blood vessels mean your brain cells don't get enough oxygen, which can lead to lightheadedness and fainting spells, says Nancy Mitchell, registered nurse and contributing writer for...
Dec 3, 2022 · Drop in blood pressure. A dramatic drop in your systolic blood pressure — the higher number in your blood pressure reading — may result in brief lightheadedness or a feeling of faintness. It can occur after sitting up or standing too quickly. This condition is also called orthostatic hypotension.
Dizziness or light-headedness when standing up occurs as a result of abnormal blood pressure regulation. Normally, when people stand, gravity causes blood to pool in the veins of the legs and trunk. This pooling lowers the blood pressure and the amount of blood the heart pumps to the brain.
Dec 1, 2021 · The most common symptoms of orthostatic hypotension are dizziness and lightheadedness upon standing up. The symptoms will usually go away when sitting or lying down.
Nov 16, 2022 · Common causes of lightheadedness, such as standing up too quickly, not drinking enough water, or breathing the air at a high altitude, resolve relatively quickly without treatment. However, in rare cases, lightheadedness may signify a more serious medical complication like heart disease or diabetes.
