Hey hi Medicines prescribed by first doctor are  correct.. If u have finished 5 days of medicines, If u have fever and still severe throat pain,then swab of the throat required and then change the antibiotics If u r better, more than 50 percent,just continue gargle for 5 more days Avoid tea,coffee,cold feeds Drink lots of water..Adequate hydration..

This is tonsillitis

Any fever / cough / cold? You are having bacterial infection of throat & tonsils