 [ Symptoms ] is it normal to have a 99 6 fever at night only four weeks after a total knee replacement  every night for the last two weeks i have been experiencing body aches all over when i check my temperature it is from 99 6 to 99 8 i am taking tylenol during the day and i take two doses of 1000 mg each of vicodin at night so i can sleep through the pain what could be causing the feverbody aches someone told me it could be a drop in the barometric pressure i told my surgeon and he said not to worry unless it goes over 101 [ Disease ] it seems to be a pre cancerous mole if not cancerous a biopsy and a histopathology study of the lesion will help you confirm about this a laser treatment will be beneficial in treating it effectively do not apply anything warm hot over the mole