Altitude sickness is a condition triggered by a drop in the amount of oxygen at altitudes above the sea level. This occurs above sea levels altitudes ranging from 4800 feet. The usual indications can include a mild headache and weariness or dangerous build-up of fluid in the lungs or brain. Fatality can occur at moderate to high altitudes.
The condition typically occurs if an individual travel from lower altitudes in less than a day to higher altitudes. Depending on the health of the individual, altitude sickness can develop at considerably lower altitudes, even at 4800 feet.
Early indications of altitude sickness
The initial symptoms of acute altitude sickness include the following:
- Fatigue
In case symptoms, such as shortness of breath or headache do not improve immediately with simple changes, a doctor should be consulted. - Headache
- Insomnia
Nevertheless, an acute case might be linked with a combination of these symptoms:
- Headache
- Fatigue
- Insomnia
- Dizziness
- Nausea
- Shortness of breath
- Diminished appetite
When to seek medical care
In case symptoms, such as shortness of breath or headache do not improve immediately with simple changes, a doctor should be consulted.
Immediate descent is vital if shortness of breath occurs while at rest or other symptoms occur such as lethargy, mental confusion or loss of muscle coordination. The symptoms typically settle by the time the individual reaches a healthcare facility.
Quick Note / Disclaimer
The material posted on this page on altitude sickness is for learning and educational purposes only. To learn to recognize and manage environmental emergencies including altitude sickness, register for a first aid and CPR course with Ottawa First Aid.