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

DESCEND! DESCEND! DESCEND!

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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