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My brother is going to be a soldier in Lhasa, Tibet. How can we reduce altitude sickness?
Altitude sickness is a natural physiological reaction after people reach a certain altitude, in order to adapt to the changes of air pressure difference, low oxygen content and dry air caused by altitude. When the altitude reaches about 2700 meters, altitude sickness will occur. Symptoms of altitude sickness generally include headache, shortness of breath, chest tightness, anorexia, low fever, dizziness and fatigue. Some people appear because of low oxygen content: purple lips and fingertips, lethargy, hyperactivity, insomnia and other different manifestations. Some people appear because of dry air: rough skin, chapped lips, bleeding nostrils or blood clots.

How to avoid or reduce altitude sickness?

Most people have mild or severe altitude sickness when they first arrive at the plateau. What kind of people generally have no rules to follow. The best way to avoid or reduce altitude sickness is to face it with a good attitude. Many reaction symptoms are caused by psychological effects or psychological effects. For example, people who are afraid of the plateau and lack the mental preparation and determination to overcome it will have more chances to have altitude sickness. It is suggested that when you first arrive at the plateau, don't walk fast, let alone run or run, and don't do manual labor to avoid overeating and increase the burden on digestive organs. Don't drink and smoke, eat more foods rich in vitamins such as vegetables and fruits, drink plenty of water, keep warm and take fewer baths to avoid catching a cold and wasting energy. Don't take oxygen at first, try to adapt yourself, otherwise you may never be able to live without oxygen at the plateau.

You can take some drugs to relieve altitude sickness: Rhodiola sachalinensis (taken at least 10 days in advance), Gao Yuan 'an, American ginseng buccal tablets, Nuodikang capsules (very useful for relieving extreme fatigue), Baifuning (very useful for controlling headache caused by altitude sickness), American ginseng (very useful for relieving extreme fatigue), Quick-acting Jiuxin Pills (not allowed to take more) and Danshen Dropping Pills (for treating cardiovascular diseases). It is effective when altitude sickness symptoms appear). People with strong adaptability to altitude sickness can generally get rid of altitude sickness symptoms within 1-2 days, while those with weak adaptability need 3-7 days. If you can adapt to the taste of butter tea, you can also drink more butter tea, which also has a certain effect on relieving altitude sickness.