Translations:AY Honors/First aid/Altitude sickness/1/en

Altitude sickness can begin in susceptible people at elevations as low as 2400 meters. The early symptoms are drowsiness, feeling unwell, and weakness, especially during exercise. More severe symptoms are headache, poor sleep, persistent rapid pulse, nausea and sometimes vomiting, especially in children. More severe symptoms include pulmonary edema (fluid in the lungs; persistent coughing), confusion, psychosis, hallucination and death.