High-altitude cerebral oedema (HACE) is a disorder that causes the brain to swell with extra fluid. This can affect a person’s thought processes. High-altitude pulmonary oedema (HAPE) is the second form of developed altitude sickness that swells the lungs with extra fluids, therefore applying pressure to the lungs and arteries surrounding them. Both of these conditions can be fatal if not diagnosed and treated.
These symptoms occur due to low levels of oxygen in your bloodstream.
After developing the symptoms of acute altitude sickness, extreme forms of the condition can manifest and become life-threatening if left untreated. Hence the best way to prevent altitude sickness is to travel above heights of 3,000m with a slow gradual pace. Taking your time allows your body to adjust naturally. Acetazolamide is the common medication to take if travelling to areas with higher altitudes.
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