Get adequate rest and drink lots of water. Administrating oxygen can help if the symptoms are worsening. The natural treatment for acute high altitude sickness is descending to a lower altitude as soon as possible. Suppose the patient doesn’t show any improvement in 3 to 4 hours. The patient should go to the hospital for proper treatment. High altitude sickness can be deadly if it is not treated accordingly.
All our Tibet tours are designed with this sickness in mind. Yet we would recommend all to keep their plan flexible and adjustable.