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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. Orthostatic hypotension can be mild. Episodes might be brief.
For mild orthostatic hypotension, one of the simplest treatments is to sit or lie back down immediately after feeling lightheaded upon standing. Often, symptoms will disappear. Sometimes, medications are needed to treat orthostatic hypotension.
Orthostatic hypotension, also called postural hypotension. This is a sudden drop in blood pressure when standing up after sitting or lying down. Causes include dehydration, long-term bed rest, pregnancy, certain medical conditions and some medicines.
Orthostatic hypotension can limit activities that involve standing. Feeling unsteady when you stand can increase your risk of falling and fracturing a bone, which can be life-changing. Simple steps can help improve symptoms.
When orthostatic hypotension is caused by a medication, changing the dose or switching medications may be all that’s needed to relieve symptoms. Sometimes lifestyle changes, such as drinking more water, adding salt, limiting alcohol and standing up slowly, can ease orthostatic hypotension.
Various medicines can treat low blood pressure that occurs when standing up, also called orthostatic hypotension. For example, the drug fludrocortisone boosts blood volume. It's often used to treat orthostatic hypotension.
Orthostatic hypotension (postural hypotension) Symptoms & causes; Diagnosis & treatment; Doctors & departments
Orthostatic hypotension. Merck Manual Professional Version. https://www.merckmanuals.com/professional/cardiovascular-disorders/symptoms-of-cardiovascular-disorders/orthostatic-hypotension. Accessed March 5, 2022. Palma J, et al. Mechanisms, causes, and evaluation of orthostatic hypotension. https://www.uptodate.com/contents/search.
Magkas N, et al. Orthostatic hypotension: From pathophysiology to clinical applications and therapeutic considerations. Journal of Clinical Hypertension. 2019; doi:10.1111/jch.13521. 诊断与治疗
The autonomic nervous system controls involuntary functions in the body, such as blood pressure. When this system doesn't work properly, it can cause the following symptoms. Postural hypotension, also known as orthostatic hypotension. Postural hypotension is a form of low blood pressure.