bmesure for alititude sickness

Main symptoms
ESinking feeling
EBlunting of reaction
EDisorder of sleep etc.
If you have more than 2 symptoms above, there is almost no doubt that you get altitude sickness.
How to deal with early altitude sickness
@Drink enough fluids and pass urine. AConsume sugar to replenish the energy. BPut on dry clothes not to cool your body. CWhen you get to the lodge, try to acclimate yourself to the atmospheric pressure. It is better to walk around before you take a rest.

If you are severely ill, stop climbing and descend as soon as possible. If you overextend yourself and keep climbing, you may occur in conjunction with life-threatening disorder such as cerebral edema or lung edema.