What should I pay attention to when traveling to Tibet with low blood pressure?

This is my summary of notes (personal original) Travel Notes 1, tourists must be in good health, and patients with severe heart disease and hypertension are not suitable; 2. Personal belongings of tourists: sun hat, sunglasses, sunscreen, lip balm, sweatpants, travel shoes, rain gear and daily toiletries. Be sure to prepare a down jacket when traveling in winter; It is best to go to a regular hospital for physical examination before going to the plateau. Patients with heart, lung, brain and blood system diseases should not enter the plateau, quit smoking and drinking, prevent respiratory tract infection, and carry necessary first-aid drugs and other items; Passengers must have good psychological quality and remain optimistic. Excessive worry, anxiety and poor sleep may all lead to increased altitude sickness; 5. Altitude sickness can generally heal itself. If the symptoms are serious, symptomatic treatment can be carried out, such as smoking, analgesia and sedation. Oral painkillers, diazepam, and drinking "Hongjingtian Decoction" can alleviate altitude sickness, and fatigue, colds and upper respiratory tract infections should be avoided; 6. The plateau climate is changeable, especially the temperature is low in the morning and evening. Tourists should prepare sweaters and thermal underwear. 7, diet should choose high-calorie digestible food, do not overeat, especially at dinner, so as not to increase the burden on the gastrointestinal tract, so that the heart and lungs are compressed, causing chest tightness and palpitation. People who are new to the plateau can sleep in a semi-recumbent position to reduce the burden on the heart and lungs; 1 1. If you go to Sichuan, you'd better take some cigarettes, candy and stationery gifts with you, so that you can get a ride on the road or thank passers-by for their help, or give them to local children who are suitable for school. 13. Travel can bring your own cash. In order to avoid taking too much cash at a time, you can apply for a postal savings card before leaving the group. 14, pay attention to diet, avoid drinking raw water and eating undercooked meat.

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