Ever since three days ago I have had an on and off fever, followed with the sorest back and neck. My mom, since I'm 18, tells she won't take me to the doctor till it hits 101, when it is only 100.5, saying it isn't a real fever. I can hardly walk during the fevers, as the pain increases twice as much. I had the surgery Wenesday, and was fine for just one day after the pills ran out. Day after surgery I was able to go places and do things and now can't. Does this sound like a cold or infection?