Any Trekkers must know about Mountain Sickness when traveling Over 2400 m. Any Trek sits over 3000 m higher show altitude sickness in the mountain area. So it is worthy to use preventive ideas or tools such as staying dry, having sound food, or getting down from the top. AMS is known as Altitude Sickness or Acute Mountain Sickness which means it is the effect of high elevation in our body. Our some part of the body does not activate well because of low oxygen while hiking up over 2400 m higher.
As a result, you might feel headache, nausea, vomiting, appetite, and breathing problems. Never ignore such symptoms. Instead of healing yourself in a matter of time rather it will be very bad or turn to worse situations like HAPE or HACE. When do you not concern about these symptoms? if you go through these problems then first, you will have to take a rest right after you have to move down from upward.
However, some trekkers acclimatize within a day others may take 2-3 days in order to recover. if resting does not help then you will have to go down.