 [ Symptoms ] why am i going from comfortable to cold to sweating throughout the day  i was diagnosed with pneumonia over a week ago i had ivs and shots then i was diagnosed with a virus on top of pneumonia a week later i had more ivs and shots i went back a day later for more ivs and shots and was diagnosed with the flu on top of pneumonia one to two days after i was diagnosed with pneumonia i would go to bed cold wake up sweating like never before i have been told that my extremities feet and hands are freezing and clammy but yet i am burning up [ Disease ] could be signs of high and low blood sugars poor circulation and possibly hypertension you need to find a good doctor who will run the appropriate test and even get a cbc count to see exactly whats going on so many possibilities