fjellsyke
Fjellsyke is a colloquial term primarily used in Norway to describe a range of symptoms experienced by individuals after returning from high-altitude environments. It is not a formally recognized medical diagnosis but rather a descriptive phrase for the subjective feelings of fatigue, malaise, and sometimes mild headaches or nausea that can occur after descending from mountains or other high-altitude locations.
The exact causes of fjellsyke are not fully understood and likely multifactorial. Factors that may contribute
Symptoms are generally mild and transient, typically resolving within a few hours to a couple of days