"points of stagnation" break up from the blood running through and it dislodges these energy blocks in the immune system. It can feel like sickness like when you had the flu and you felt this inner cold. The body is just detoxifying at a deeper level in the same way as when you are really sick and overloaded. It happens to people when their organs are not fully used to having blood run through them, they can be overweight or if they are thin and have been inactive. I am kind of thin and when I am inactive, at first when I exercise I get these cold chills and sometimes feel nauseous after too and my nose runs, but in time, it goes away, so I know it isn't sweat and cold from outer conditions although that can also happen too. It is not sickness like you are getting sick with a sore throat but the chills, nose run and nausea is similar feeling but your body can fight it off because you are healthy. the body is cleaning itself out deeper. Immune system blocks are common in everyone. They will go away with conditioning and it shows that your body has a stronger blood flow and you did something good. You don't want to overdo it however. If you have a particularly strong reaction, space out the heavier exercise with more time in between the days or light workouts in between if you have any strong nausea, and not just chills/nose run.I don't exercise to the point where my shirt gets soaked with sweat. Plus, I exercise in my room..I think pita could be right because I rarely eat 3 meals a day.
Check outI'm reasonably fit (cycle, hike, kayak etc) but last fall started getting sick 4 to 6 hours after exercise (cold hands & feet / flushed face / heavy (gross) mucus in lungs / muscle aches upper body / 3 to 7 days to recover). This has been going on every week since then when I get cold during exercise. Relief w 400 mg Ibuprofin. Docs at a loss as to cause - or steps to avoid symptoms. Heart tests AOK - chest xray OK - diabetes not an issue.
Any useful comments please