Orthostatic Hypotension: Symptoms & Signs

Medically Reviewed on 2/22/2021

Orthostatic hypotension refers to a sudden drop in blood pressure when you stand from a seated or prone (lying down) position. It is also called postural hypotension.

Signs and symptoms of orthostatic hypotension can vary in severity. Most commonly, the condition causes lightheadedness or dizziness when standing up from a seated or lying down position. Other symptoms and signs can include

Causes of orthostatic hypotension

If this happens occasionally, it may be related to dehydration or prolonged bed rest. If orthostatic hypotension is a chronic condition, it is usually related to any underlying problem with the heart, nervous system, or endocrine system. The use of certain medications can also cause orthostatic hypotension.

Other orthostatic hypotension symptoms and signs

  • Blurred Vision
  • Confusion
  • Fainting
  • Lightheadedness or Dizziness When Standing Up from a Seated or Lying Down Position
  • Nausea
  • Weakness


Low Blood Pressure (Hypotension): Symptoms, Signs, Causes See Slideshow

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Jameson, J. Larry, et al. Harrison's Principles of Internal Medicine, 20th Ed. New York: McGraw-Hill Education, 2018.