 [ Symptoms ] core heat suffering hello i read pipermartin is question about why she has this inner body heat but no fever she posted the questions in 2012 my elderly 83 year old mom has been suffering from something as you described she has no fever but feels she is burning up inside i wanted to find out if pipermartin ever descovered what cause her problems the doctors do not know what is causing it any suggestiions [ Disease ] sometimes vitamin deficiency can affect your perception of heat see if a good quality b complex helps her at all if it does not help it certainly will not hurt either but it is helped me in the past