Shiverinf, chills and feeling feverish.

Hi all, I have been feeling extremely feverish since a week with chills and shivering and no other symtoms, but when I checked my temperature it's around 98 to 99(normal) so its internal fever and shivering and chills are so severe that I cant even turn on fan, even though it's hot and humid, I have had tuberculosis two years ago and I was cured in novemeber 2019, I called my doctor and he suggested me fever pills along with megamox 625, I have been taking medicines regularly but my condition remains the same, I know i have fever because I can feel it.. one doctor online suggested that i take avil 25mg, which I have ordered and it's on the way Please help, I have chills, shivering and feeling feverish, I have no other symptoms.