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  1. May 26, 2022 · Orthostatic hypotension is a form of low blood pressure that happens when standing after sitting or lying down. It can cause dizziness, lightheadedness and fainting. Learn about the possible causes, risk factors, complications and treatments of this condition.

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  3. Dec 11, 2018 · Learn why you may feel dizzy or lightheaded when you stand up quickly, and how to prevent or treat it. Find out the possible factors that affect blood pressure and circulation, and when to see a doctor for orthostatic hypotension.

    • Emily Dinuzzo
    • William Buxton
    • Henry Blodget
    • Standing up too fast. It takes additional effort for your heart to pump blood through your body when you stand up, compared to when you lie down. In fact, your blood pressure naturally changes based on your position in order to maintain homeostasis, a state of balance that allows your body's many systems to function properly.
    • Overheating and dehydration. If you don't drink enough water, especially when it's hot out, you can easily overheat and get dehydrated. When the temperature of your environment increases, your blood pressure naturally decreases, leading to feelings of dizziness and lightheadedness.
    • Alcohol consumption. Alcohol can damage and narrow your blood vessels, decreasing blood flow and making your body work harder to regulate blood pressure.
    • Vigorous exercise. As you exercise, your muscles encourage blood flow to your heart. When you rest, your blood tends to rush back to your extremities. This rush of blood, coupled with the exertion on your lungs, means you may feel a little dizzy when standing up or moving after exercise.
  4. Orthostatic hypotension is a sudden drop in blood pressure when you stand up, which can make you feel dizzy, lightheaded or faint. Learn about the possible causes, such as dehydration, medications, heart disease or anemia, and how to prevent or treat it.

  5. Dec 1, 2021 · Orthostatic hypotension is a drop in blood pressure when you stand up quickly, which can cause dizziness, fainting, and other symptoms. Learn about the possible causes, risk factors, diagnosis, and treatment options for this condition.

    • Jacquelyn Cafasso
  6. Aug 18, 2020 · Learn why you may feel dizzy when you stand up quickly or exercise, and how to prevent or manage it. Find out the causes, symptoms, best and worst exercises, and tips for people with postural orthostatic tachycardia syndrome (POTS).

  7. Apr 16, 2024 · Learn about orthostatic hypotension, a common condition that causes lightheadedness when shifting from lying down or sitting to standing. Find out how to prevent, treat, and when to worry about this symptom.

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