Probably you have lingual tonsils
. Preferably you need a pharyngo laryngeal endoscopy
. Avoid cold and picy food. Take Amoxycillin
500 mg x 8hry x 10 days along with analgesi and saline gargles. Get your blood sugar tested.In either case not responding to treatment surgery may be required, but it has to be considered after fair trial of conservative treatment.
with best wishes , speedy recovery & good health.