There might be drastic drops in temperature from the early afternoon to evening. The temperature at night can drop as low as -10°C to 0°C (14°F-32°F).

Precaution at High Altitudes

As the altitude increases, the human body needs time to develop physiological mechanisms to cope with the decreased oxygen levels. This process is called acclimatization. To expedite the acclimatization process, it is advised to take things easy during the first few days of travel.

Symptoms of Altitude Sickness

Mild symptoms of Altitude Sickness are very common in travelers visiting high altitude areas and usually develop during the first 24 hours of traveling. Symptoms tend to worsen at night, and may include: headache, dizziness, lethargy, difficulty in sleeping, loss of appetite, nausea, breathlessness and irritability. These will generally disappear through acclimatization, which may take anywhere from several hours to several days.

Acclimitization

Participants will be given Diamox (Acetazolamide) tablets in Kathmandu to combat altitude sickness. This will help in overcoming the above mentioned symptoms. Those allergic to sulfa drugs will be given an alternative medicine.

A physician will also be on site to provide medical assistance if needed. All necessary equipment such as oxygen cylinders, Gamow bags, and other medication will also be on hand.