It is recommended that people who suffer from cold or other illnesses should wait until recovery before entering Tibet Autonomous Region. Since sick people have relatively weak immune systems, his illnesses are likely to become more serious in low-oxygen environment.

Other illnesses can easily turn into various types of altitude sickness, such as pneumonia, an extremely dangerous type of altitude sickness in low-oxygen environment.

Sick travelers may not be able to obtain the medical treatment they require while in Tibet.

However, catching cold in Tibet isn't as serious of you may think for one's body has already started to adjust to the higher altitude once you are in it. With timely treatment you should be able to recover soon. Tibetan doctors have rich experience in treating travelers who get sick while in Tibet.

When traveling to Tibet, one should remember to bring along some medicines. Once symptoms begin to arise, the medicines may help you to recover within one or two days.