If you want to travel to Tibet, how can you prevent altitude sickness?

Prevention methods:

Before entering the mountains, you should carry out psychological and physical adaptability exercises. If conditions permit, it is best to carry out intermittent hypoxic stimulation and acclimation exercises in a low-pressure chamber to enable The body can make certain physiological adjustments to the hypoxic environment from plains to plateaus. At present, it is believed that except for those who are particularly susceptible to hypoxia, climbing stairs is the most reliable and safest way to prevent acute mountain sickness.

Experts suggest that if newbies need to enter a plateau above 4000m, they should generally stay at 2500-3000m for 2-3 days, and then the daily ascent speed should not exceed 600-900m. After arriving at the plateau, avoid drinking alcohol, taking sedatives and hypnotics, and heavy physical activities for the first two days. Light activities can promote adaptation. Avoid cold and frost, pay attention to heat preservation, and advocate eating more high-carbohydrate diet. Avoid smoking, drinking, and taking sedative-hypnotic drugs, and ensure adequate fluid supply. Before going up the mountain, medicines such as acetazolamide, dexamethasone, Acanthopanax senticosus, compound dangshen, and sulpiride may be effective in preventing and alleviating the symptoms of acute mountain sickness. Patients with organic diseases, severe neurasthenia or respiratory infections should not enter plateau areas.

Extended information:

1. Acute altitude sickness

When acute altitude sickness reaches an altitude of more than 3,000 meters, the symptoms are most obvious on the first to second days, and then Gradually reduce, most of them basically disappear within 6 to 7 days, and a few can persist. The main symptoms include headache, decreased memory and thinking ability, insomnia, and dreaminess. Deep breathing, increased frequency, tachycardia. Some patients have cyanosis and elevated blood pressure.

2. Chronic altitude sickness. Acute altitude sickness lasts for more than 3 months. Symptoms still persist, including palpitations, shortness of breath, loss of appetite, indigestion, numbness of hands and feet, facial edema, and sometimes arrhythmia or transient symptoms. syncope.

Reference: Baidu Encyclopedia-Altitude Sickness