The higher we go the more our body adapt by breathing faster and deeper. It means the air pressure is low when we are in high altitude. The breath we take the less oxygen so the trekkers suffered from altitude sickness due to not having an extra acclimatization day while on high altitude mountain. Altitude starts to affect us from 2000 meters above.
When we are in high altitude our bodies is not adjusted or acclimatize nicely so experience the symptoms of AMS. It is always better descending back 500m to 1000M is recommended until we acclimatize properly before the symptoms are getting worse. Many people throughout the world work at high altitudes. Their bodies have adjusted or acclimatized to the higher altitude over a long period of time. If trekking you may not have as long to acclimatize so it's very important to be aware of some of the symptoms surrounding high altitude trekking.
Descent is the best remedy; or in case of emergency of medical help get help of horse to descend down or helicopter rescue
Drink plenty of water and ascend slowly.
Nifedipine (ordinarily used to treat heart problems and high blood pressure)
Descomethasone (an important drug to carry for emergency use).
Note: Do consider a porter for carrying your load if you are carrying to much or feel you are not capable carrying all your belongings comfortably when you are on a trek.
Make sure that you have proper travel insurance for high altitudes. Make sure that it cover for trekking at an high altitude which can cover your emergency evacuation in case of emergency (should cover helicopter rescue)
Team Leader | Durga KC |