At what height do people get altitude sickness?
At what height do people get altitude sickness? Acute altitude sickness arises after at least four hours spent at an altitude above 2,000 m. Ascending to heights greater than 2,500 m can trigger a range of symptoms including headache and vomiting.
Can you get altitude sickness on a plane?
Delayed signs and symptoms of altitude DCS can occur after return to ground level whether or not they were present during flight. Altitude DCS is a risk every time you fly in an unpressurized aircraft above 18,000 feet (or at lower altitude if you SCUBA dive prior to the flight).