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Vanderbilt Autonomic Dysfunction Center

Signs and Symptoms

The following signs and symptoms may indicate POTS if you have been experiencing them for six months or more:

  • Lightheadedness, palpitations and tremulousness during standing
  • Other upright posture symptoms may include:
    • Visual changes
    • Discomfort in the head and neck
    • Throbbing of the head
    • Poor concentration ("brain fog")
    • Tiredness
    • Weakness
    • Occasional fainting
    • Nausea
    • Chest discomfort
    • Shortness of breath
  • Similar orthostatic symptoms of inadequate cerebral perfusion can occur transiently after serious debilitating illness, substantial weight loss and deconditioning or spaceflight
     

Other symptoms that have been reported in patients with POTS include:

  • Abdominal discomfort and bloating
  • Constipation
  • Diarrhea
  • Changes in sweating
  • Sleep problems
  • Sense of anxiety

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