So sorry you are joining us and have these issues. I also attempted to go back to work after 3 weeks off and felt pretty good when i was going back and it brought all my symptoms back full force and made it too difficult to return so now im back out till august 1. I know that its hard with the possibility of losing your job, but in our high stress, high energy, high sensory stimulation jobs, it may be too much for you too soon. I also have issues with temperature...mostly the heat bothers me. I was not on prednisone (although i have been on it before and had major temperature regulation issues) so it very well could be from your PCS. Definetly talk with your neurologist about options and ways to deal with these symptoms.