The symptoms of AMS (Acute Mountain Sickness) are as following
1.Nausea, vomiting
2.Loss of appetite
3.Insomnia/sleeplessness
4.Persistent headache
5.Dizziness, light headedness, confusion
6.Disorientation
7.Weakness, fatigue, lassitude, heavy legs
8.Slight swelling of hands and face
9.Breathlessness or irregular breathing
10.Less urine output

Prevention of AMS (Acute Mountain Sickness)
1.Acclimatization: After 1000m ascent stay one more night for acclimatization
2.Do not make rapid ascent
3.No alcohol, no sleeping pills, no smoking, no sex
4.Drink more: about 3-4 liters day-clean water (boiled, filtered or medicated), tea, coffee, soup, and juice
5.No heavy backpacks
6.Climb higher, always sleep lower
7.Ascent less than 300m a day above 3.000m of altitude
8.Never trek alone

Treatment of AMS (Acute Mountain Sickness)
Descent is the best remedy; do not wait for the helicopters or medical help.

Three medications have been proven useful
1.Diamox™
2.Nifedipine (ordinarily used to treat heart problems and high blood pressure)
3.Descomethasone (an important drug to carry for emergency use).