Knowledge Bank

Altitude Mountain Sickness (AMS)

Many people are concerned about altitude sickness. This problem, often known as acute mountain sickness (AMS).

AMS rarely occurs lower than 8,000ft and only minor symptoms occur below 3000 meters (9,500ft).But after 12,000 ft it can increase and then it can be serious for your health.

AMS occurs when the body does not adapt well to the lack of oxygen present at higher altitudes. At 15,000ft, very less amount of oxygen available in the mountains. The itineraries of the treks of Expedition Path are designed to reduce the risk of altitude sickness as much as possible, although individual susceptibility to altitude sickness seems to be genetically determined.

What happens to the body during altitude illness?

The following substances can do this, and should never be used by someone who has symptoms of altitude illness:

To prevent AMS and respiratory depression, drink at least three –four liters of liquid a day and avoid getting cold.

Altitude sickness can to a certain extent be prevented by acetazolamide (Diamox SR), ( As per doctor’ instructions)

Please seek the advice of your personal physician. Please note that taking Diamox SR does not mean that you can ignore advice about proper acclimatization.

To recap, serious symptoms of altitude sickness include

In the presence of these symptoms, medical attention must be sought immediately in conjunction with descent to the lowest possible height.

Note: Our staff is very experienced in dealing with the effects of higher altitudes. As they are natives of Himalayan region, they easily acclimatize and therefore can care for their trekkers.

They are equipped with necessary medical supplies and will assist with basic first aid treatment. We design our tours to ensure trekkers are ready for high altitude, and arrange alternative itineraries for those at risk.