Sore throat and recurring fever. Are?

I got a sore throat on Jan 4th with runny nose. After taking medication from a local pharmacy after which my throat pain got relieved and also the runny nose was also cured. But on the 17th suddenly I felt extreme pain in my throat with fever 100.8. then I had a consultation with the doc on the 18th Jan. He gave me antibiotics and paracetamol but everything just had temporary effects. Then I had an ent consultation too. He gave me medication for bacterial and viral infection. Still I am getting temporary relief for some hours. I started sweating so bad after taking these medicines. I have got mouth ulcer also And along with fever I start feeling pain on the right side of my leg. please check the prescription and let me know what the tests are