I am 36 years Male and from past 4 months I am suffering from backache, and I have observed that from March when I woke up my body temperature is 98.5 and after 3 -4 hours my body temperature rises up to 99, I am not doing any hard work or exercises, I have gone through CECT Chest and Whole abdomen & all blood testes incl culture, Mantoux test, all tests reports are absolutely fine, appetite is ok weight is ok no gain no loss, do I need to worry kindly suggest at earliest I am worried,