I have a temp of 97.5. I ve been feeling bad for a few weeks. tired but get very little sleep. constipated, low urine output. slight chest pain headache, loss of appetite , sever weight loss , nausea , cranky, weak, stomach and leg pain. headaches. what s wong with me. I have never in my life rwn below 98.1 temperature before. I ve been running 97.5 all day and I ve been feeling really bad today.