for 15 DAYS my mother feels internal fever, i mean the kind of fever she do feels but the thermometer does not show any temperature increase. It weakens her body and she cannot walk herself without others support. Along with these she suffers from stomach pain,Unable to eat food due bitter taste, gone partial paralysis in mouth, right leg is getting weak, Reports shows: Mri of brain shows normal, bilurubbin=2.1, Urine test reports: Ecoli=0000,pus cells:8-10,RBC:2-3. what is the name of this fever and what are the causes?