A change in the body due to high altitude. A decrease in atmospheric pressure makes breathing difficult due to less oxygen. Mainly, it happens above 3300 m (10,000 ft). This is a dangerous hazard that threatens the lives of trekkers if symptoms are ignored.
Symptoms and signs
Headache or Dizziness
Nausea/vomiting
Tiredness or fatigue
Sleepy but can’t sleep
Drunken Gait, Delirious
Loss of Appetite
Confusion
Disorientation
Reduced urine output
Prevention
Avoiding high altitude sickness is always preferred. A traveler needs to follow these steps.
Acclimatization
Do not make a rapid ascent.
Avoid alcohol, sleeping pills, and smoking.
Drink plenty of water.
Do not carry more than 10 kg.
Climb higher, sleep lower.
If over 3000 m, ascend only 330 m a day.
Never travel alone.
Treatment
Decent immediately.
Provide oxygen cylinders
Gamow bags
Before dinner, Diamox (125 g)
Four Golden Rules
These are the rules for preventing altitude sickness:
Be aware of the symptoms of altitude sickness.
If you have mild symptoms, do not proceed further.
If there are worsening symptoms, descend immediately.
Do not leave your teammate behind if attempting a climb.
