Altitude sickness or hypobaropathy

a pathological effect of high altitude on humans (and animals), caused by acute exposure to low partial pressure of oxygen at high altitude.

commonly occurs above 2400 feet.


  • Anorexia – Lack of appetite
  • Nausea
  • vomiting
  • Fatigue or weakness
  • dizziness
  • insomnia
  • Shortness of breath upon exertion
  • Nosebleed
  • Persistent tachycardia
  • Drowsiness
  • peripheral edema
  • Severe symptoms:

    1. Pulmonary edema
    2. Cerebral edema

    May progress to respiratory distress, loss of consciousness and death.


    treatment and management of symptoms:

    • supplemental  oxygen for hypoxia,
    • fluid replacement for dehydration
    • diuretics for pulmonary and cerebral edema

    Descent from altitude.


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