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.