Suggest Medication For Chronic Mild Fever

polymereis chain reaction test (pcr test fr detection of HIV 1 PRoviral dna sequences) all are negateve. i hav visited about top notch hundred doctors ...5 yrs befre i developed tongue ulcer both side in rear of tongue....it did not heal with any medication all test including, baseline checks, hiv, syphillis, hepatitus a b c d all were negative, hcv negative, biopsy said no malignancy in tissue submitted. i hav a chronic mild fever in evening and frm ten yrs, i hav taken alprox tryptomer, citopam 40 nthing helped......i hav beeen tested fr iga igm tuberculosis assylum this also negative, t3 t4 tsh is also normal.....plz telll