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Safety in the Mountains

Important Information for Trekkers and Mountaineers
Acute Mountain Sickness (AMS)
If you are not feeling well above 2,500 m, it may be AMS until proven otherwise.

  • Early symptoms of AMS include:
  • Headache
  • Loss of appetite
  • Nausea
  • Fatigue on minimal exertion
  • Dizziness 
What to do if you have AMS?
  • Don’t go higher, rest, drink fluids (not alcohol).
  • If symptoms get worse, descend with a  friend.
  • If symptoms fully go away, go up.
  • Consider taking Acetazolamide (Diamox 250 mg twice a day).
Worsening Symptoms
  • Severe headache
  • Vomiting
  • Walking like a drunk
  • Altered mental status
  • Severe fatigue
  • Shortness of breath at rest
AMS Preventive Measures
  • Slow and gradual ascend
  • Sleeping altitude should not be more than 300 to 500 m a day above 2,500 m from the previous night altitude.
  • Rest day after every 1,000 m of altitude gain.
  • Drink plenty of clean water.

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