While in Tajikistan filming Guy hunt Marco Polo sheep I developed an extreme case of altitude sickness called HAPE. I was in contact with doctors via satellite GPS which helped me diagnose and treat my condition promptly and I was able to recover. Over the course of the last three months I’ve done research and talked to a handful of doctors, nurses, and pulmonary specialists. Information below is what I gathered from these doctors and altitude.org. I am not a medical professional. Please consult your doctor to figure out what is right for you.