I think you are suffering from acute Tonsillitis
i will advise you to consult a ENT specialist
It needs longer duration of antibiotic and some analgesics
Immediatly you should start salt water gargle
Stop spicy , oily and hot foods.
Infection of gums or Tonsils Spreads through the respiratoy tract it may spread to lungs. so as early as possible you should visit a doctor