MY HUSBAND IS 52 YOA AND HE HAS LUPUS AND CIHROSIS OF THE LIVER. HE HAD A COLONOSCOPY ON 4/3/2014.HE HAD SEVERE STOMACH PAIN FOR 3-4 DAYS ,TO THE POINT OF NOT SLEEPING. THEY DONE X-RAYS AND SAID ALL LOOKED GOOD,THEN HE FELL AND HURT HIS BACK,AND HAS BEEN IN SEVERE PAIN WITH IT.HE HAS RUN A LOW GRADE FEVER SINCE THE COLONOSCOPY,AND LAST NIGHT IT REACHED 102,AND TONIGHT HAS REACHED 101 WITH TYLENOL.CAN PAIN CAUSE THE FEVER BECAUSE HE DOESN T SEEM TO HAVE A COLD OR ANYTHING ELSE TO BE CAUSING THE FEVER?